From f69cf389042d696a07fdad3ad66b9eef5852feb2 Mon Sep 17 00:00:00 2001
From: "Devendorf, Andy" <Andy.Devendorf@tmag.com>
Date: Thu, 20 Apr 2017 11:20:48 -0700
Subject: [PATCH 1/7] Adding an empty alt tag for accessibility validation

---
 jquery.zoom.js     | 1 +
 jquery.zoom.min.js | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/jquery.zoom.js b/jquery.zoom.js
index 9757bfa..a4112c9 100644
--- a/jquery.zoom.js
+++ b/jquery.zoom.js
@@ -227,6 +227,7 @@
 			};
 
 			img.src = settings.url;
+			img.alt = '';
 		});
 	};
 
diff --git a/jquery.zoom.min.js b/jquery.zoom.min.js
index 0bbb206..4057b57 100644
--- a/jquery.zoom.min.js
+++ b/jquery.zoom.min.js
@@ -3,4 +3,4 @@
 	license: MIT
 	http://www.jacklmoore.com/zoom
 */
-(function(o){var t={url:!1,callback:!1,target:!1,duration:120,on:"mouseover",touch:!0,onZoomIn:!1,onZoomOut:!1,magnify:1};o.zoom=function(t,n,e,i){var u,c,a,r,m,l,s,f=o(t),h=f.css("position"),d=o(n);return t.style.position=/(absolute|fixed)/.test(h)?h:"relative",t.style.overflow="hidden",e.style.width=e.style.height="",o(e).addClass("zoomImg").css({position:"absolute",top:0,left:0,opacity:0,width:e.width*i,height:e.height*i,border:"none",maxWidth:"none",maxHeight:"none"}).appendTo(t),{init:function(){c=f.outerWidth(),u=f.outerHeight(),n===t?(r=c,a=u):(r=d.outerWidth(),a=d.outerHeight()),m=(e.width-c)/r,l=(e.height-u)/a,s=d.offset()},move:function(o){var t=o.pageX-s.left,n=o.pageY-s.top;n=Math.max(Math.min(n,a),0),t=Math.max(Math.min(t,r),0),e.style.left=t*-m+"px",e.style.top=n*-l+"px"}}},o.fn.zoom=function(n){return this.each(function(){var e=o.extend({},t,n||{}),i=e.target&&o(e.target)[0]||this,u=this,c=o(u),a=document.createElement("img"),r=o(a),m="mousemove.zoom",l=!1,s=!1;if(!e.url){var f=u.querySelector("img");if(f&&(e.url=f.getAttribute("data-src")||f.currentSrc||f.src),!e.url)return}c.one("zoom.destroy",function(o,t){c.off(".zoom"),i.style.position=o,i.style.overflow=t,a.onload=null,r.remove()}.bind(this,i.style.position,i.style.overflow)),a.onload=function(){function t(t){f.init(),f.move(t),r.stop().fadeTo(o.support.opacity?e.duration:0,1,o.isFunction(e.onZoomIn)?e.onZoomIn.call(a):!1)}function n(){r.stop().fadeTo(e.duration,0,o.isFunction(e.onZoomOut)?e.onZoomOut.call(a):!1)}var f=o.zoom(i,u,a,e.magnify);"grab"===e.on?c.on("mousedown.zoom",function(e){1===e.which&&(o(document).one("mouseup.zoom",function(){n(),o(document).off(m,f.move)}),t(e),o(document).on(m,f.move),e.preventDefault())}):"click"===e.on?c.on("click.zoom",function(e){return l?void 0:(l=!0,t(e),o(document).on(m,f.move),o(document).one("click.zoom",function(){n(),l=!1,o(document).off(m,f.move)}),!1)}):"toggle"===e.on?c.on("click.zoom",function(o){l?n():t(o),l=!l}):"mouseover"===e.on&&(f.init(),c.on("mouseenter.zoom",t).on("mouseleave.zoom",n).on(m,f.move)),e.touch&&c.on("touchstart.zoom",function(o){o.preventDefault(),s?(s=!1,n()):(s=!0,t(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0]))}).on("touchmove.zoom",function(o){o.preventDefault(),f.move(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0])}).on("touchend.zoom",function(o){o.preventDefault(),s&&(s=!1,n())}),o.isFunction(e.callback)&&e.callback.call(a)},a.src=e.url})},o.fn.zoom.defaults=t})(window.jQuery);
\ No newline at end of file
+(function($){var defaults={url:false,callback:false,target:false,duration:120,on:"mouseover",touch:true,onZoomIn:false,onZoomOut:false,magnify:1};$.zoom=function(target,source,img,magnify){var targetHeight,targetWidth,sourceHeight,sourceWidth,xRatio,yRatio,offset,$target=$(target),position=$target.css("position"),$source=$(source);target.style.position=/(absolute|fixed)/.test(position)?position:"relative";target.style.overflow="hidden";img.style.width=img.style.height="";$(img).addClass("zoomImg").css({position:"absolute",top:0,left:0,opacity:0,width:img.width*magnify,height:img.height*magnify,border:"none",maxWidth:"none",maxHeight:"none"}).appendTo(target);return{init:function(){targetWidth=$target.outerWidth();targetHeight=$target.outerHeight();if(source===target){sourceWidth=targetWidth;sourceHeight=targetHeight}else{sourceWidth=$source.outerWidth();sourceHeight=$source.outerHeight()}xRatio=(img.width-targetWidth)/sourceWidth;yRatio=(img.height-targetHeight)/sourceHeight;offset=$source.offset()},move:function(e){var left=e.pageX-offset.left,top=e.pageY-offset.top;top=Math.max(Math.min(top,sourceHeight),0);left=Math.max(Math.min(left,sourceWidth),0);img.style.left=left*-xRatio+"px";img.style.top=top*-yRatio+"px"}}};$.fn.zoom=function(options){return this.each(function(){var settings=$.extend({},defaults,options||{}),target=settings.target&&$(settings.target)[0]||this,source=this,$source=$(source),img=document.createElement("img"),$img=$(img),mousemove="mousemove.zoom",clicked=false,touched=false;if(!settings.url){var srcElement=source.querySelector("img");if(srcElement){settings.url=srcElement.getAttribute("data-src")||srcElement.currentSrc||srcElement.src}if(!settings.url){return}}$source.one("zoom.destroy",function(position,overflow){$source.off(".zoom");target.style.position=position;target.style.overflow=overflow;img.onload=null;$img.remove()}.bind(this,target.style.position,target.style.overflow));img.onload=function(){var zoom=$.zoom(target,source,img,settings.magnify);function start(e){zoom.init();zoom.move(e);$img.stop().fadeTo($.support.opacity?settings.duration:0,1,$.isFunction(settings.onZoomIn)?settings.onZoomIn.call(img):false)}function stop(){$img.stop().fadeTo(settings.duration,0,$.isFunction(settings.onZoomOut)?settings.onZoomOut.call(img):false)}if(settings.on==="grab"){$source.on("mousedown.zoom",function(e){if(e.which===1){$(document).one("mouseup.zoom",function(){stop();$(document).off(mousemove,zoom.move)});start(e);$(document).on(mousemove,zoom.move);e.preventDefault()}})}else if(settings.on==="click"){$source.on("click.zoom",function(e){if(clicked){return}else{clicked=true;start(e);$(document).on(mousemove,zoom.move);$(document).one("click.zoom",function(){stop();clicked=false;$(document).off(mousemove,zoom.move)});return false}})}else if(settings.on==="toggle"){$source.on("click.zoom",function(e){if(clicked){stop()}else{start(e)}clicked=!clicked})}else if(settings.on==="mouseover"){zoom.init();$source.on("mouseenter.zoom",start).on("mouseleave.zoom",stop).on(mousemove,zoom.move)}if(settings.touch){$source.on("touchstart.zoom",function(e){e.preventDefault();if(touched){touched=false;stop()}else{touched=true;start(e.originalEvent.touches[0]||e.originalEvent.changedTouches[0])}}).on("touchmove.zoom",function(e){e.preventDefault();zoom.move(e.originalEvent.touches[0]||e.originalEvent.changedTouches[0])}).on("touchend.zoom",function(e){e.preventDefault();if(touched){touched=false;stop()}})}if($.isFunction(settings.callback)){settings.callback.call(img)}};img.src=settings.url;img.alt=""})};$.fn.zoom.defaults=defaults})(window.jQuery);
\ No newline at end of file

From bec8d3eb7e169696cf8122570338e7e07a6142ea Mon Sep 17 00:00:00 2001
From: Jack Moore <hello@jacklmoore.com>
Date: Thu, 20 Apr 2017 15:40:34 -0400
Subject: [PATCH 2/7] Added alt and aria-hidden attributes to the zoom layer
 img element.

---
 jquery.zoom.js     | 3 ++-
 jquery.zoom.min.js | 4 ++--
 package.json       | 2 +-
 readme.md          | 3 +++
 4 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/jquery.zoom.js b/jquery.zoom.js
index a4112c9..0eb6914 100644
--- a/jquery.zoom.js
+++ b/jquery.zoom.js
@@ -1,5 +1,5 @@
 /*!
-	Zoom 1.7.18
+	Zoom 1.7.19
 	license: MIT
 	http://www.jacklmoore.com/zoom
 */
@@ -228,6 +228,7 @@
 
 			img.src = settings.url;
 			img.alt = '';
+			img.setAttribute('aria-hidden', true);
 		});
 	};
 
diff --git a/jquery.zoom.min.js b/jquery.zoom.min.js
index 4057b57..af540d5 100644
--- a/jquery.zoom.min.js
+++ b/jquery.zoom.min.js
@@ -1,6 +1,6 @@
 /*!
-	Zoom 1.7.18
+	Zoom 1.7.19
 	license: MIT
 	http://www.jacklmoore.com/zoom
 */
-(function($){var defaults={url:false,callback:false,target:false,duration:120,on:"mouseover",touch:true,onZoomIn:false,onZoomOut:false,magnify:1};$.zoom=function(target,source,img,magnify){var targetHeight,targetWidth,sourceHeight,sourceWidth,xRatio,yRatio,offset,$target=$(target),position=$target.css("position"),$source=$(source);target.style.position=/(absolute|fixed)/.test(position)?position:"relative";target.style.overflow="hidden";img.style.width=img.style.height="";$(img).addClass("zoomImg").css({position:"absolute",top:0,left:0,opacity:0,width:img.width*magnify,height:img.height*magnify,border:"none",maxWidth:"none",maxHeight:"none"}).appendTo(target);return{init:function(){targetWidth=$target.outerWidth();targetHeight=$target.outerHeight();if(source===target){sourceWidth=targetWidth;sourceHeight=targetHeight}else{sourceWidth=$source.outerWidth();sourceHeight=$source.outerHeight()}xRatio=(img.width-targetWidth)/sourceWidth;yRatio=(img.height-targetHeight)/sourceHeight;offset=$source.offset()},move:function(e){var left=e.pageX-offset.left,top=e.pageY-offset.top;top=Math.max(Math.min(top,sourceHeight),0);left=Math.max(Math.min(left,sourceWidth),0);img.style.left=left*-xRatio+"px";img.style.top=top*-yRatio+"px"}}};$.fn.zoom=function(options){return this.each(function(){var settings=$.extend({},defaults,options||{}),target=settings.target&&$(settings.target)[0]||this,source=this,$source=$(source),img=document.createElement("img"),$img=$(img),mousemove="mousemove.zoom",clicked=false,touched=false;if(!settings.url){var srcElement=source.querySelector("img");if(srcElement){settings.url=srcElement.getAttribute("data-src")||srcElement.currentSrc||srcElement.src}if(!settings.url){return}}$source.one("zoom.destroy",function(position,overflow){$source.off(".zoom");target.style.position=position;target.style.overflow=overflow;img.onload=null;$img.remove()}.bind(this,target.style.position,target.style.overflow));img.onload=function(){var zoom=$.zoom(target,source,img,settings.magnify);function start(e){zoom.init();zoom.move(e);$img.stop().fadeTo($.support.opacity?settings.duration:0,1,$.isFunction(settings.onZoomIn)?settings.onZoomIn.call(img):false)}function stop(){$img.stop().fadeTo(settings.duration,0,$.isFunction(settings.onZoomOut)?settings.onZoomOut.call(img):false)}if(settings.on==="grab"){$source.on("mousedown.zoom",function(e){if(e.which===1){$(document).one("mouseup.zoom",function(){stop();$(document).off(mousemove,zoom.move)});start(e);$(document).on(mousemove,zoom.move);e.preventDefault()}})}else if(settings.on==="click"){$source.on("click.zoom",function(e){if(clicked){return}else{clicked=true;start(e);$(document).on(mousemove,zoom.move);$(document).one("click.zoom",function(){stop();clicked=false;$(document).off(mousemove,zoom.move)});return false}})}else if(settings.on==="toggle"){$source.on("click.zoom",function(e){if(clicked){stop()}else{start(e)}clicked=!clicked})}else if(settings.on==="mouseover"){zoom.init();$source.on("mouseenter.zoom",start).on("mouseleave.zoom",stop).on(mousemove,zoom.move)}if(settings.touch){$source.on("touchstart.zoom",function(e){e.preventDefault();if(touched){touched=false;stop()}else{touched=true;start(e.originalEvent.touches[0]||e.originalEvent.changedTouches[0])}}).on("touchmove.zoom",function(e){e.preventDefault();zoom.move(e.originalEvent.touches[0]||e.originalEvent.changedTouches[0])}).on("touchend.zoom",function(e){e.preventDefault();if(touched){touched=false;stop()}})}if($.isFunction(settings.callback)){settings.callback.call(img)}};img.src=settings.url;img.alt=""})};$.fn.zoom.defaults=defaults})(window.jQuery);
\ No newline at end of file
+(function(o){var t={url:!1,callback:!1,target:!1,duration:120,on:"mouseover",touch:!0,onZoomIn:!1,onZoomOut:!1,magnify:1};o.zoom=function(t,n,e,i){var u,c,a,r,m,l,s,f=o(t),h=f.css("position"),d=o(n);return t.style.position=/(absolute|fixed)/.test(h)?h:"relative",t.style.overflow="hidden",e.style.width=e.style.height="",o(e).addClass("zoomImg").css({position:"absolute",top:0,left:0,opacity:0,width:e.width*i,height:e.height*i,border:"none",maxWidth:"none",maxHeight:"none"}).appendTo(t),{init:function(){c=f.outerWidth(),u=f.outerHeight(),n===t?(r=c,a=u):(r=d.outerWidth(),a=d.outerHeight()),m=(e.width-c)/r,l=(e.height-u)/a,s=d.offset()},move:function(o){var t=o.pageX-s.left,n=o.pageY-s.top;n=Math.max(Math.min(n,a),0),t=Math.max(Math.min(t,r),0),e.style.left=t*-m+"px",e.style.top=n*-l+"px"}}},o.fn.zoom=function(n){return this.each(function(){var e=o.extend({},t,n||{}),i=e.target&&o(e.target)[0]||this,u=this,c=o(u),a=document.createElement("img"),r=o(a),m="mousemove.zoom",l=!1,s=!1;if(!e.url){var f=u.querySelector("img");if(f&&(e.url=f.getAttribute("data-src")||f.currentSrc||f.src),!e.url)return}c.one("zoom.destroy",function(o,t){c.off(".zoom"),i.style.position=o,i.style.overflow=t,a.onload=null,r.remove()}.bind(this,i.style.position,i.style.overflow)),a.onload=function(){function t(t){f.init(),f.move(t),r.stop().fadeTo(o.support.opacity?e.duration:0,1,o.isFunction(e.onZoomIn)?e.onZoomIn.call(a):!1)}function n(){r.stop().fadeTo(e.duration,0,o.isFunction(e.onZoomOut)?e.onZoomOut.call(a):!1)}var f=o.zoom(i,u,a,e.magnify);"grab"===e.on?c.on("mousedown.zoom",function(e){1===e.which&&(o(document).one("mouseup.zoom",function(){n(),o(document).off(m,f.move)}),t(e),o(document).on(m,f.move),e.preventDefault())}):"click"===e.on?c.on("click.zoom",function(e){return l?void 0:(l=!0,t(e),o(document).on(m,f.move),o(document).one("click.zoom",function(){n(),l=!1,o(document).off(m,f.move)}),!1)}):"toggle"===e.on?c.on("click.zoom",function(o){l?n():t(o),l=!l}):"mouseover"===e.on&&(f.init(),c.on("mouseenter.zoom",t).on("mouseleave.zoom",n).on(m,f.move)),e.touch&&c.on("touchstart.zoom",function(o){o.preventDefault(),s?(s=!1,n()):(s=!0,t(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0]))}).on("touchmove.zoom",function(o){o.preventDefault(),f.move(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0])}).on("touchend.zoom",function(o){o.preventDefault(),s&&(s=!1,n())}),o.isFunction(e.callback)&&e.callback.call(a)},a.src=e.url,a.alt="",a.setAttribute("aria-hidden",!0)})},o.fn.zoom.defaults=t})(window.jQuery);
\ No newline at end of file
diff --git a/package.json b/package.json
index e205e77..007dc78 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "jquery-zoom",
 	"description": "Enlarge images on click or mouseover.",
-	"version": "1.7.18",
+	"version": "1.7.19",
 	"keywords": [
 		"zoom",
 		"images",
diff --git a/readme.md b/readme.md
index 74a066b..9ead7bf 100644
--- a/readme.md
+++ b/readme.md
@@ -6,6 +6,9 @@ To compile the .min.js file, run: `uglifyjs --comments '/license:/' < jquery.zoo
 
 ## Changelog:
 
+##### v1.7.19 - 2017/4/20
+* Added alt and aria-hidden attributes to the zoom layer img element. Merged #121
+
 ##### v1.7.18 - 2016/9/9
 * Fixed regression from 1.7.16 that occurred when the target option was passed a selector. Fixes #113
 

From 5df07ec46338bb89d200e035e822cf0462761e1a Mon Sep 17 00:00:00 2001
From: Jack Moore <hello@jacklmoore.com>
Date: Tue, 25 Apr 2017 03:28:15 -0400
Subject: [PATCH 3/7] Replaced alt and aria-hidden with role attribute.
 Resolves #121

---
 jquery.zoom.js     | 5 ++---
 jquery.zoom.min.js | 4 ++--
 package.json       | 2 +-
 readme.md          | 3 +++
 4 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/jquery.zoom.js b/jquery.zoom.js
index 0eb6914..235eecb 100644
--- a/jquery.zoom.js
+++ b/jquery.zoom.js
@@ -1,5 +1,5 @@
 /*!
-	Zoom 1.7.19
+	Zoom 1.7.20
 	license: MIT
 	http://www.jacklmoore.com/zoom
 */
@@ -226,9 +226,8 @@
 				}
 			};
 
+			img.setAttribute('role', 'presentation');
 			img.src = settings.url;
-			img.alt = '';
-			img.setAttribute('aria-hidden', true);
 		});
 	};
 
diff --git a/jquery.zoom.min.js b/jquery.zoom.min.js
index af540d5..c492b60 100644
--- a/jquery.zoom.min.js
+++ b/jquery.zoom.min.js
@@ -1,6 +1,6 @@
 /*!
-	Zoom 1.7.19
+	Zoom 1.7.20
 	license: MIT
 	http://www.jacklmoore.com/zoom
 */
-(function(o){var t={url:!1,callback:!1,target:!1,duration:120,on:"mouseover",touch:!0,onZoomIn:!1,onZoomOut:!1,magnify:1};o.zoom=function(t,n,e,i){var u,c,a,r,m,l,s,f=o(t),h=f.css("position"),d=o(n);return t.style.position=/(absolute|fixed)/.test(h)?h:"relative",t.style.overflow="hidden",e.style.width=e.style.height="",o(e).addClass("zoomImg").css({position:"absolute",top:0,left:0,opacity:0,width:e.width*i,height:e.height*i,border:"none",maxWidth:"none",maxHeight:"none"}).appendTo(t),{init:function(){c=f.outerWidth(),u=f.outerHeight(),n===t?(r=c,a=u):(r=d.outerWidth(),a=d.outerHeight()),m=(e.width-c)/r,l=(e.height-u)/a,s=d.offset()},move:function(o){var t=o.pageX-s.left,n=o.pageY-s.top;n=Math.max(Math.min(n,a),0),t=Math.max(Math.min(t,r),0),e.style.left=t*-m+"px",e.style.top=n*-l+"px"}}},o.fn.zoom=function(n){return this.each(function(){var e=o.extend({},t,n||{}),i=e.target&&o(e.target)[0]||this,u=this,c=o(u),a=document.createElement("img"),r=o(a),m="mousemove.zoom",l=!1,s=!1;if(!e.url){var f=u.querySelector("img");if(f&&(e.url=f.getAttribute("data-src")||f.currentSrc||f.src),!e.url)return}c.one("zoom.destroy",function(o,t){c.off(".zoom"),i.style.position=o,i.style.overflow=t,a.onload=null,r.remove()}.bind(this,i.style.position,i.style.overflow)),a.onload=function(){function t(t){f.init(),f.move(t),r.stop().fadeTo(o.support.opacity?e.duration:0,1,o.isFunction(e.onZoomIn)?e.onZoomIn.call(a):!1)}function n(){r.stop().fadeTo(e.duration,0,o.isFunction(e.onZoomOut)?e.onZoomOut.call(a):!1)}var f=o.zoom(i,u,a,e.magnify);"grab"===e.on?c.on("mousedown.zoom",function(e){1===e.which&&(o(document).one("mouseup.zoom",function(){n(),o(document).off(m,f.move)}),t(e),o(document).on(m,f.move),e.preventDefault())}):"click"===e.on?c.on("click.zoom",function(e){return l?void 0:(l=!0,t(e),o(document).on(m,f.move),o(document).one("click.zoom",function(){n(),l=!1,o(document).off(m,f.move)}),!1)}):"toggle"===e.on?c.on("click.zoom",function(o){l?n():t(o),l=!l}):"mouseover"===e.on&&(f.init(),c.on("mouseenter.zoom",t).on("mouseleave.zoom",n).on(m,f.move)),e.touch&&c.on("touchstart.zoom",function(o){o.preventDefault(),s?(s=!1,n()):(s=!0,t(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0]))}).on("touchmove.zoom",function(o){o.preventDefault(),f.move(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0])}).on("touchend.zoom",function(o){o.preventDefault(),s&&(s=!1,n())}),o.isFunction(e.callback)&&e.callback.call(a)},a.src=e.url,a.alt="",a.setAttribute("aria-hidden",!0)})},o.fn.zoom.defaults=t})(window.jQuery);
\ No newline at end of file
+(function(o){var t={url:!1,callback:!1,target:!1,duration:120,on:"mouseover",touch:!0,onZoomIn:!1,onZoomOut:!1,magnify:1};o.zoom=function(t,n,e,i){var u,c,r,a,m,l,s,f=o(t),h=f.css("position"),d=o(n);return t.style.position=/(absolute|fixed)/.test(h)?h:"relative",t.style.overflow="hidden",e.style.width=e.style.height="",o(e).addClass("zoomImg").css({position:"absolute",top:0,left:0,opacity:0,width:e.width*i,height:e.height*i,border:"none",maxWidth:"none",maxHeight:"none"}).appendTo(t),{init:function(){c=f.outerWidth(),u=f.outerHeight(),n===t?(a=c,r=u):(a=d.outerWidth(),r=d.outerHeight()),m=(e.width-c)/a,l=(e.height-u)/r,s=d.offset()},move:function(o){var t=o.pageX-s.left,n=o.pageY-s.top;n=Math.max(Math.min(n,r),0),t=Math.max(Math.min(t,a),0),e.style.left=t*-m+"px",e.style.top=n*-l+"px"}}},o.fn.zoom=function(n){return this.each(function(){var e=o.extend({},t,n||{}),i=e.target&&o(e.target)[0]||this,u=this,c=o(u),r=document.createElement("img"),a=o(r),m="mousemove.zoom",l=!1,s=!1;if(!e.url){var f=u.querySelector("img");if(f&&(e.url=f.getAttribute("data-src")||f.currentSrc||f.src),!e.url)return}c.one("zoom.destroy",function(o,t){c.off(".zoom"),i.style.position=o,i.style.overflow=t,r.onload=null,a.remove()}.bind(this,i.style.position,i.style.overflow)),r.onload=function(){function t(t){f.init(),f.move(t),a.stop().fadeTo(o.support.opacity?e.duration:0,1,o.isFunction(e.onZoomIn)?e.onZoomIn.call(r):!1)}function n(){a.stop().fadeTo(e.duration,0,o.isFunction(e.onZoomOut)?e.onZoomOut.call(r):!1)}var f=o.zoom(i,u,r,e.magnify);"grab"===e.on?c.on("mousedown.zoom",function(e){1===e.which&&(o(document).one("mouseup.zoom",function(){n(),o(document).off(m,f.move)}),t(e),o(document).on(m,f.move),e.preventDefault())}):"click"===e.on?c.on("click.zoom",function(e){return l?void 0:(l=!0,t(e),o(document).on(m,f.move),o(document).one("click.zoom",function(){n(),l=!1,o(document).off(m,f.move)}),!1)}):"toggle"===e.on?c.on("click.zoom",function(o){l?n():t(o),l=!l}):"mouseover"===e.on&&(f.init(),c.on("mouseenter.zoom",t).on("mouseleave.zoom",n).on(m,f.move)),e.touch&&c.on("touchstart.zoom",function(o){o.preventDefault(),s?(s=!1,n()):(s=!0,t(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0]))}).on("touchmove.zoom",function(o){o.preventDefault(),f.move(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0])}).on("touchend.zoom",function(o){o.preventDefault(),s&&(s=!1,n())}),o.isFunction(e.callback)&&e.callback.call(r)},r.setAttribute("role","presentation"),r.src=e.url})},o.fn.zoom.defaults=t})(window.jQuery);
\ No newline at end of file
diff --git a/package.json b/package.json
index 007dc78..b190bf8 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "jquery-zoom",
 	"description": "Enlarge images on click or mouseover.",
-	"version": "1.7.19",
+	"version": "1.7.20",
 	"keywords": [
 		"zoom",
 		"images",
diff --git a/readme.md b/readme.md
index 9ead7bf..e7332a4 100644
--- a/readme.md
+++ b/readme.md
@@ -6,6 +6,9 @@ To compile the .min.js file, run: `uglifyjs --comments '/license:/' < jquery.zoo
 
 ## Changelog:
 
+##### v1.7.20 - 2017/4/25
+* Replaced alt and aria-hidden with role attribute. Resolves #121
+
 ##### v1.7.19 - 2017/4/20
 * Added alt and aria-hidden attributes to the zoom layer img element. Merged #121
 

From aabcdc20e01228b096e8829ba88cb64b36dc13a5 Mon Sep 17 00:00:00 2001
From: Jack Moore <hello@jacklmoore.com>
Date: Thu, 26 Apr 2018 14:33:25 -0400
Subject: [PATCH 4/7] Added empty alt attribute. Resolves #134

---
 jquery.zoom.js     | 3 ++-
 jquery.zoom.min.js | 4 ++--
 package.json       | 2 +-
 readme.md          | 3 +++
 4 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/jquery.zoom.js b/jquery.zoom.js
index 235eecb..653eb49 100644
--- a/jquery.zoom.js
+++ b/jquery.zoom.js
@@ -1,5 +1,5 @@
 /*!
-	Zoom 1.7.20
+	Zoom 1.7.21
 	license: MIT
 	http://www.jacklmoore.com/zoom
 */
@@ -227,6 +227,7 @@
 			};
 
 			img.setAttribute('role', 'presentation');
+			img.alt = '';
 			img.src = settings.url;
 		});
 	};
diff --git a/jquery.zoom.min.js b/jquery.zoom.min.js
index c492b60..017c6ee 100644
--- a/jquery.zoom.min.js
+++ b/jquery.zoom.min.js
@@ -1,6 +1,6 @@
 /*!
-	Zoom 1.7.20
+	Zoom 1.7.21
 	license: MIT
 	http://www.jacklmoore.com/zoom
 */
-(function(o){var t={url:!1,callback:!1,target:!1,duration:120,on:"mouseover",touch:!0,onZoomIn:!1,onZoomOut:!1,magnify:1};o.zoom=function(t,n,e,i){var u,c,r,a,m,l,s,f=o(t),h=f.css("position"),d=o(n);return t.style.position=/(absolute|fixed)/.test(h)?h:"relative",t.style.overflow="hidden",e.style.width=e.style.height="",o(e).addClass("zoomImg").css({position:"absolute",top:0,left:0,opacity:0,width:e.width*i,height:e.height*i,border:"none",maxWidth:"none",maxHeight:"none"}).appendTo(t),{init:function(){c=f.outerWidth(),u=f.outerHeight(),n===t?(a=c,r=u):(a=d.outerWidth(),r=d.outerHeight()),m=(e.width-c)/a,l=(e.height-u)/r,s=d.offset()},move:function(o){var t=o.pageX-s.left,n=o.pageY-s.top;n=Math.max(Math.min(n,r),0),t=Math.max(Math.min(t,a),0),e.style.left=t*-m+"px",e.style.top=n*-l+"px"}}},o.fn.zoom=function(n){return this.each(function(){var e=o.extend({},t,n||{}),i=e.target&&o(e.target)[0]||this,u=this,c=o(u),r=document.createElement("img"),a=o(r),m="mousemove.zoom",l=!1,s=!1;if(!e.url){var f=u.querySelector("img");if(f&&(e.url=f.getAttribute("data-src")||f.currentSrc||f.src),!e.url)return}c.one("zoom.destroy",function(o,t){c.off(".zoom"),i.style.position=o,i.style.overflow=t,r.onload=null,a.remove()}.bind(this,i.style.position,i.style.overflow)),r.onload=function(){function t(t){f.init(),f.move(t),a.stop().fadeTo(o.support.opacity?e.duration:0,1,o.isFunction(e.onZoomIn)?e.onZoomIn.call(r):!1)}function n(){a.stop().fadeTo(e.duration,0,o.isFunction(e.onZoomOut)?e.onZoomOut.call(r):!1)}var f=o.zoom(i,u,r,e.magnify);"grab"===e.on?c.on("mousedown.zoom",function(e){1===e.which&&(o(document).one("mouseup.zoom",function(){n(),o(document).off(m,f.move)}),t(e),o(document).on(m,f.move),e.preventDefault())}):"click"===e.on?c.on("click.zoom",function(e){return l?void 0:(l=!0,t(e),o(document).on(m,f.move),o(document).one("click.zoom",function(){n(),l=!1,o(document).off(m,f.move)}),!1)}):"toggle"===e.on?c.on("click.zoom",function(o){l?n():t(o),l=!l}):"mouseover"===e.on&&(f.init(),c.on("mouseenter.zoom",t).on("mouseleave.zoom",n).on(m,f.move)),e.touch&&c.on("touchstart.zoom",function(o){o.preventDefault(),s?(s=!1,n()):(s=!0,t(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0]))}).on("touchmove.zoom",function(o){o.preventDefault(),f.move(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0])}).on("touchend.zoom",function(o){o.preventDefault(),s&&(s=!1,n())}),o.isFunction(e.callback)&&e.callback.call(r)},r.setAttribute("role","presentation"),r.src=e.url})},o.fn.zoom.defaults=t})(window.jQuery);
\ No newline at end of file
+(function(o){var t={url:!1,callback:!1,target:!1,duration:120,on:"mouseover",touch:!0,onZoomIn:!1,onZoomOut:!1,magnify:1};o.zoom=function(t,n,e,i){var u,c,a,r,m,l,s,f=o(t),h=f.css("position"),d=o(n);return t.style.position=/(absolute|fixed)/.test(h)?h:"relative",t.style.overflow="hidden",e.style.width=e.style.height="",o(e).addClass("zoomImg").css({position:"absolute",top:0,left:0,opacity:0,width:e.width*i,height:e.height*i,border:"none",maxWidth:"none",maxHeight:"none"}).appendTo(t),{init:function(){c=f.outerWidth(),u=f.outerHeight(),n===t?(r=c,a=u):(r=d.outerWidth(),a=d.outerHeight()),m=(e.width-c)/r,l=(e.height-u)/a,s=d.offset()},move:function(o){var t=o.pageX-s.left,n=o.pageY-s.top;n=Math.max(Math.min(n,a),0),t=Math.max(Math.min(t,r),0),e.style.left=t*-m+"px",e.style.top=n*-l+"px"}}},o.fn.zoom=function(n){return this.each(function(){var e=o.extend({},t,n||{}),i=e.target&&o(e.target)[0]||this,u=this,c=o(u),a=document.createElement("img"),r=o(a),m="mousemove.zoom",l=!1,s=!1;if(!e.url){var f=u.querySelector("img");if(f&&(e.url=f.getAttribute("data-src")||f.currentSrc||f.src),!e.url)return}c.one("zoom.destroy",function(o,t){c.off(".zoom"),i.style.position=o,i.style.overflow=t,a.onload=null,r.remove()}.bind(this,i.style.position,i.style.overflow)),a.onload=function(){function t(t){f.init(),f.move(t),r.stop().fadeTo(o.support.opacity?e.duration:0,1,o.isFunction(e.onZoomIn)?e.onZoomIn.call(a):!1)}function n(){r.stop().fadeTo(e.duration,0,o.isFunction(e.onZoomOut)?e.onZoomOut.call(a):!1)}var f=o.zoom(i,u,a,e.magnify);"grab"===e.on?c.on("mousedown.zoom",function(e){1===e.which&&(o(document).one("mouseup.zoom",function(){n(),o(document).off(m,f.move)}),t(e),o(document).on(m,f.move),e.preventDefault())}):"click"===e.on?c.on("click.zoom",function(e){return l?void 0:(l=!0,t(e),o(document).on(m,f.move),o(document).one("click.zoom",function(){n(),l=!1,o(document).off(m,f.move)}),!1)}):"toggle"===e.on?c.on("click.zoom",function(o){l?n():t(o),l=!l}):"mouseover"===e.on&&(f.init(),c.on("mouseenter.zoom",t).on("mouseleave.zoom",n).on(m,f.move)),e.touch&&c.on("touchstart.zoom",function(o){o.preventDefault(),s?(s=!1,n()):(s=!0,t(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0]))}).on("touchmove.zoom",function(o){o.preventDefault(),f.move(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0])}).on("touchend.zoom",function(o){o.preventDefault(),s&&(s=!1,n())}),o.isFunction(e.callback)&&e.callback.call(a)},a.setAttribute("role","presentation"),a.alt="",a.src=e.url})},o.fn.zoom.defaults=t})(window.jQuery);
\ No newline at end of file
diff --git a/package.json b/package.json
index b190bf8..0141eb2 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "jquery-zoom",
 	"description": "Enlarge images on click or mouseover.",
-	"version": "1.7.20",
+	"version": "1.7.21",
 	"keywords": [
 		"zoom",
 		"images",
diff --git a/readme.md b/readme.md
index e7332a4..c93dcf1 100644
--- a/readme.md
+++ b/readme.md
@@ -6,6 +6,9 @@ To compile the .min.js file, run: `uglifyjs --comments '/license:/' < jquery.zoo
 
 ## Changelog:
 
+##### v1.7.21 - 2018/4/26
+* Added empty alt attribute. Resolves #134
+
 ##### v1.7.20 - 2017/4/25
 * Replaced alt and aria-hidden with role attribute. Resolves #121
 

From 3991e72904feabbec789e8b3516460779396e0f1 Mon Sep 17 00:00:00 2001
From: Jessica Wayde <jess@electriccitizen.com>
Date: Wed, 3 Sep 2025 10:37:59 -0700
Subject: [PATCH 5/7] replace $.isFunction with typeof check for jquery 4

---
 jquery.zoom.js     | 8 ++++----
 jquery.zoom.min.js | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/jquery.zoom.js b/jquery.zoom.js
index 653eb49..f48d1af 100644
--- a/jquery.zoom.js
+++ b/jquery.zoom.js
@@ -124,12 +124,12 @@
 					// Skip the fade-in for IE8 and lower since it chokes on fading-in
 					// and changing position based on mousemovement at the same time.
 					$img.stop()
-					.fadeTo($.support.opacity ? settings.duration : 0, 1, $.isFunction(settings.onZoomIn) ? settings.onZoomIn.call(img) : false);
+					.fadeTo($.support.opacity ? settings.duration : 0, 1, typeof settings.onZoomIn === "function" ? settings.onZoomIn.call(img) : false);
 				}
 
 				function stop() {
 					$img.stop()
-					.fadeTo(settings.duration, 0, $.isFunction(settings.onZoomOut) ? settings.onZoomOut.call(img) : false);
+					.fadeTo(settings.duration, 0, typeof settings.onZoomOut === "function" ? settings.onZoomOut.call(img) : false);
 				}
 
 				// Mouse events
@@ -220,8 +220,8 @@
 							}
 						});
 				}
-				
-				if ($.isFunction(settings.callback)) {
+
+				if (typeof settings.callback === "function") {
 					settings.callback.call(img);
 				}
 			};
diff --git a/jquery.zoom.min.js b/jquery.zoom.min.js
index 017c6ee..786e57a 100644
--- a/jquery.zoom.min.js
+++ b/jquery.zoom.min.js
@@ -3,4 +3,4 @@
 	license: MIT
 	http://www.jacklmoore.com/zoom
 */
-(function(o){var t={url:!1,callback:!1,target:!1,duration:120,on:"mouseover",touch:!0,onZoomIn:!1,onZoomOut:!1,magnify:1};o.zoom=function(t,n,e,i){var u,c,a,r,m,l,s,f=o(t),h=f.css("position"),d=o(n);return t.style.position=/(absolute|fixed)/.test(h)?h:"relative",t.style.overflow="hidden",e.style.width=e.style.height="",o(e).addClass("zoomImg").css({position:"absolute",top:0,left:0,opacity:0,width:e.width*i,height:e.height*i,border:"none",maxWidth:"none",maxHeight:"none"}).appendTo(t),{init:function(){c=f.outerWidth(),u=f.outerHeight(),n===t?(r=c,a=u):(r=d.outerWidth(),a=d.outerHeight()),m=(e.width-c)/r,l=(e.height-u)/a,s=d.offset()},move:function(o){var t=o.pageX-s.left,n=o.pageY-s.top;n=Math.max(Math.min(n,a),0),t=Math.max(Math.min(t,r),0),e.style.left=t*-m+"px",e.style.top=n*-l+"px"}}},o.fn.zoom=function(n){return this.each(function(){var e=o.extend({},t,n||{}),i=e.target&&o(e.target)[0]||this,u=this,c=o(u),a=document.createElement("img"),r=o(a),m="mousemove.zoom",l=!1,s=!1;if(!e.url){var f=u.querySelector("img");if(f&&(e.url=f.getAttribute("data-src")||f.currentSrc||f.src),!e.url)return}c.one("zoom.destroy",function(o,t){c.off(".zoom"),i.style.position=o,i.style.overflow=t,a.onload=null,r.remove()}.bind(this,i.style.position,i.style.overflow)),a.onload=function(){function t(t){f.init(),f.move(t),r.stop().fadeTo(o.support.opacity?e.duration:0,1,o.isFunction(e.onZoomIn)?e.onZoomIn.call(a):!1)}function n(){r.stop().fadeTo(e.duration,0,o.isFunction(e.onZoomOut)?e.onZoomOut.call(a):!1)}var f=o.zoom(i,u,a,e.magnify);"grab"===e.on?c.on("mousedown.zoom",function(e){1===e.which&&(o(document).one("mouseup.zoom",function(){n(),o(document).off(m,f.move)}),t(e),o(document).on(m,f.move),e.preventDefault())}):"click"===e.on?c.on("click.zoom",function(e){return l?void 0:(l=!0,t(e),o(document).on(m,f.move),o(document).one("click.zoom",function(){n(),l=!1,o(document).off(m,f.move)}),!1)}):"toggle"===e.on?c.on("click.zoom",function(o){l?n():t(o),l=!l}):"mouseover"===e.on&&(f.init(),c.on("mouseenter.zoom",t).on("mouseleave.zoom",n).on(m,f.move)),e.touch&&c.on("touchstart.zoom",function(o){o.preventDefault(),s?(s=!1,n()):(s=!0,t(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0]))}).on("touchmove.zoom",function(o){o.preventDefault(),f.move(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0])}).on("touchend.zoom",function(o){o.preventDefault(),s&&(s=!1,n())}),o.isFunction(e.callback)&&e.callback.call(a)},a.setAttribute("role","presentation"),a.alt="",a.src=e.url})},o.fn.zoom.defaults=t})(window.jQuery);
\ No newline at end of file
+(function(o){var t={url:!1,callback:!1,target:!1,duration:120,on:"mouseover",touch:!0,onZoomIn:!1,onZoomOut:!1,magnify:1};o.zoom=function(t,n,e,i){var u,c,a,r,m,l,s,f=o(t),h=f.css("position"),d=o(n);return t.style.position=/(absolute|fixed)/.test(h)?h:"relative",t.style.overflow="hidden",e.style.width=e.style.height="",o(e).addClass("zoomImg").css({position:"absolute",top:0,left:0,opacity:0,width:e.width*i,height:e.height*i,border:"none",maxWidth:"none",maxHeight:"none"}).appendTo(t),{init:function(){c=f.outerWidth(),u=f.outerHeight(),n===t?(r=c,a=u):(r=d.outerWidth(),a=d.outerHeight()),m=(e.width-c)/r,l=(e.height-u)/a,s=d.offset()},move:function(o){var t=o.pageX-s.left,n=o.pageY-s.top;n=Math.max(Math.min(n,a),0),t=Math.max(Math.min(t,r),0),e.style.left=t*-m+"px",e.style.top=n*-l+"px"}}},o.fn.zoom=function(n){return this.each(function(){var e=o.extend({},t,n||{}),i=e.target&&o(e.target)[0]||this,u=this,c=o(u),a=document.createElement("img"),r=o(a),m="mousemove.zoom",l=!1,s=!1;if(!e.url){var f=u.querySelector("img");if(f&&(e.url=f.getAttribute("data-src")||f.currentSrc||f.src),!e.url)return}c.one("zoom.destroy",function(o,t){c.off(".zoom"),i.style.position=o,i.style.overflow=t,a.onload=null,r.remove()}.bind(this,i.style.position,i.style.overflow)),a.onload=function(){function t(t){f.init(),f.move(t),r.stop().fadeTo(o.support.opacity?e.duration:0,1,typeof e.onZoomIn==="function"?e.onZoomIn.call(a):!1)}function n(){r.stop().fadeTo(e.duration,0,typeof e.onZoomOut==="function"?e.onZoomOut.call(a):!1)}var f=o.zoom(i,u,a,e.magnify);"grab"===e.on?c.on("mousedown.zoom",function(e){1===e.which&&(o(document).one("mouseup.zoom",function(){n(),o(document).off(m,f.move)}),t(e),o(document).on(m,f.move),e.preventDefault())}):"click"===e.on?c.on("click.zoom",function(e){return l?void 0:(l=!0,t(e),o(document).on(m,f.move),o(document).one("click.zoom",function(){n(),l=!1,o(document).off(m,f.move)}),!1)}):"toggle"===e.on?c.on("click.zoom",function(o){l?n():t(o),l=!l}):"mouseover"===e.on&&(f.init(),c.on("mouseenter.zoom",t).on("mouseleave.zoom",n).on(m,f.move)),e.touch&&c.on("touchstart.zoom",function(o){o.preventDefault(),s?(s=!1,n()):(s=!0,t(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0]))}).on("touchmove.zoom",function(o){o.preventDefault(),f.move(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0])}).on("touchend.zoom",function(o){o.preventDefault(),s&&(s=!1,n())}),typeof e.callback==="function"&&e.callback.call(a)},a.setAttribute("role","presentation"),a.alt="",a.src=e.url})},o.fn.zoom.defaults=t})(window.jQuery);
\ No newline at end of file

From b5c6b5314e22bf24b2d4e67c890f2484563b1243 Mon Sep 17 00:00:00 2001
From: Jack <hello@jacklmoore.com>
Date: Sun, 7 Sep 2025 13:33:11 -0400
Subject: [PATCH 6/7] 1.7.22

---
 jquery.zoom.js     | 2 +-
 jquery.zoom.min.js | 4 ++--
 readme.md          | 5 ++++-
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/jquery.zoom.js b/jquery.zoom.js
index f48d1af..f165e83 100644
--- a/jquery.zoom.js
+++ b/jquery.zoom.js
@@ -1,5 +1,5 @@
 /*!
-	Zoom 1.7.21
+	Zoom 1.7.22
 	license: MIT
 	http://www.jacklmoore.com/zoom
 */
diff --git a/jquery.zoom.min.js b/jquery.zoom.min.js
index 786e57a..ce06f6b 100644
--- a/jquery.zoom.min.js
+++ b/jquery.zoom.min.js
@@ -1,6 +1,6 @@
 /*!
-	Zoom 1.7.21
+	Zoom 1.7.22
 	license: MIT
 	http://www.jacklmoore.com/zoom
 */
-(function(o){var t={url:!1,callback:!1,target:!1,duration:120,on:"mouseover",touch:!0,onZoomIn:!1,onZoomOut:!1,magnify:1};o.zoom=function(t,n,e,i){var u,c,a,r,m,l,s,f=o(t),h=f.css("position"),d=o(n);return t.style.position=/(absolute|fixed)/.test(h)?h:"relative",t.style.overflow="hidden",e.style.width=e.style.height="",o(e).addClass("zoomImg").css({position:"absolute",top:0,left:0,opacity:0,width:e.width*i,height:e.height*i,border:"none",maxWidth:"none",maxHeight:"none"}).appendTo(t),{init:function(){c=f.outerWidth(),u=f.outerHeight(),n===t?(r=c,a=u):(r=d.outerWidth(),a=d.outerHeight()),m=(e.width-c)/r,l=(e.height-u)/a,s=d.offset()},move:function(o){var t=o.pageX-s.left,n=o.pageY-s.top;n=Math.max(Math.min(n,a),0),t=Math.max(Math.min(t,r),0),e.style.left=t*-m+"px",e.style.top=n*-l+"px"}}},o.fn.zoom=function(n){return this.each(function(){var e=o.extend({},t,n||{}),i=e.target&&o(e.target)[0]||this,u=this,c=o(u),a=document.createElement("img"),r=o(a),m="mousemove.zoom",l=!1,s=!1;if(!e.url){var f=u.querySelector("img");if(f&&(e.url=f.getAttribute("data-src")||f.currentSrc||f.src),!e.url)return}c.one("zoom.destroy",function(o,t){c.off(".zoom"),i.style.position=o,i.style.overflow=t,a.onload=null,r.remove()}.bind(this,i.style.position,i.style.overflow)),a.onload=function(){function t(t){f.init(),f.move(t),r.stop().fadeTo(o.support.opacity?e.duration:0,1,typeof e.onZoomIn==="function"?e.onZoomIn.call(a):!1)}function n(){r.stop().fadeTo(e.duration,0,typeof e.onZoomOut==="function"?e.onZoomOut.call(a):!1)}var f=o.zoom(i,u,a,e.magnify);"grab"===e.on?c.on("mousedown.zoom",function(e){1===e.which&&(o(document).one("mouseup.zoom",function(){n(),o(document).off(m,f.move)}),t(e),o(document).on(m,f.move),e.preventDefault())}):"click"===e.on?c.on("click.zoom",function(e){return l?void 0:(l=!0,t(e),o(document).on(m,f.move),o(document).one("click.zoom",function(){n(),l=!1,o(document).off(m,f.move)}),!1)}):"toggle"===e.on?c.on("click.zoom",function(o){l?n():t(o),l=!l}):"mouseover"===e.on&&(f.init(),c.on("mouseenter.zoom",t).on("mouseleave.zoom",n).on(m,f.move)),e.touch&&c.on("touchstart.zoom",function(o){o.preventDefault(),s?(s=!1,n()):(s=!0,t(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0]))}).on("touchmove.zoom",function(o){o.preventDefault(),f.move(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0])}).on("touchend.zoom",function(o){o.preventDefault(),s&&(s=!1,n())}),typeof e.callback==="function"&&e.callback.call(a)},a.setAttribute("role","presentation"),a.alt="",a.src=e.url})},o.fn.zoom.defaults=t})(window.jQuery);
\ No newline at end of file
+(d=>{var n={url:!1,callback:!1,target:!1,duration:120,on:"mouseover",touch:!0,onZoomIn:!1,onZoomOut:!1,magnify:1};d.zoom=function(o,t,e,n){var i,u,c,a,r,m,l,f=d(o),s=f.css("position"),h=d(t);return o.style.position=/(absolute|fixed)/.test(s)?s:"relative",o.style.overflow="hidden",e.style.width=e.style.height="",d(e).addClass("zoomImg").css({position:"absolute",top:0,left:0,opacity:0,width:e.width*n,height:e.height*n,border:"none",maxWidth:"none",maxHeight:"none"}).appendTo(o),{init:function(){u=f.outerWidth(),i=f.outerHeight(),c=t===o?(a=u,i):(a=h.outerWidth(),h.outerHeight()),r=(e.width-u)/a,m=(e.height-i)/c,l=h.offset()},move:function(o){var t=o.pageX-l.left,o=o.pageY-l.top,o=Math.max(Math.min(o,c),0),t=Math.max(Math.min(t,a),0);e.style.left=t*-r+"px",e.style.top=o*-m+"px"}}},d.fn.zoom=function(e){return this.each(function(){var i=d.extend({},n,e||{}),u=i.target&&d(i.target)[0]||this,o=this,c=d(o),a=document.createElement("img"),r=d(a),m="mousemove.zoom",l=!1,f=!1;if(!i.url){var t=o.querySelector("img");if(t&&(i.url=t.getAttribute("data-src")||t.currentSrc||t.src),!i.url)return}c.one("zoom.destroy",function(o,t){c.off(".zoom"),u.style.position=o,u.style.overflow=t,a.onload=null,r.remove()}.bind(this,u.style.position,u.style.overflow)),a.onload=function(){var t=d.zoom(u,o,a,i.magnify);function e(o){t.init(),t.move(o),r.stop().fadeTo(d.support.opacity?i.duration:0,1,"function"==typeof i.onZoomIn&&i.onZoomIn.call(a))}function n(){r.stop().fadeTo(i.duration,0,"function"==typeof i.onZoomOut&&i.onZoomOut.call(a))}"grab"===i.on?c.on("mousedown.zoom",function(o){1===o.which&&(d(document).one("mouseup.zoom",function(){n(),d(document).off(m,t.move)}),e(o),d(document).on(m,t.move),o.preventDefault())}):"click"===i.on?c.on("click.zoom",function(o){if(!l)return l=!0,e(o),d(document).on(m,t.move),d(document).one("click.zoom",function(){n(),l=!1,d(document).off(m,t.move)}),!1}):"toggle"===i.on?c.on("click.zoom",function(o){l?n():e(o),l=!l}):"mouseover"===i.on&&(t.init(),c.on("mouseenter.zoom",e).on("mouseleave.zoom",n).on(m,t.move)),i.touch&&c.on("touchstart.zoom",function(o){o.preventDefault(),f?(f=!1,n()):(f=!0,e(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0]))}).on("touchmove.zoom",function(o){o.preventDefault(),t.move(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0])}).on("touchend.zoom",function(o){o.preventDefault(),f&&(f=!1,n())}),"function"==typeof i.callback&&i.callback.call(a)},a.setAttribute("role","presentation"),a.alt="",a.src=i.url})},d.fn.zoom.defaults=n})(window.jQuery);
diff --git a/readme.md b/readme.md
index c93dcf1..89ec15e 100644
--- a/readme.md
+++ b/readme.md
@@ -2,10 +2,13 @@
 
 A small jQuery plugin for zooming images on mouseover or mousedown. See the [project page](http://jacklmoore.com/zoom/) for documentation and a demonstration.  Released under the [MIT license](http://www.opensource.org/licenses/mit-license.php).
 
-To compile the .min.js file, run: `uglifyjs --comments '/license:/' < jquery.zoom.js > jquery.zoom.min.js` 
+To compile the .min.js file, run: `uglifyjs -c -m --comments '/license:/' < jquery.zoom.js > jquery.zoom.min.js` 
 
 ## Changelog:
 
+##### v1.7.22 - 2025/9/7
+* Removed $.isFunction for jQuery 4 compatibility. Merged #161
+
 ##### v1.7.21 - 2018/4/26
 * Added empty alt attribute. Resolves #134
 

From 13eed6ebaf8976ede2f32258acf9086d26ed5a78 Mon Sep 17 00:00:00 2001
From: Jack <hello@jacklmoore.com>
Date: Sun, 7 Sep 2025 13:33:11 -0400
Subject: [PATCH 7/7] 1.7.22

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 0141eb2..057dc81 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "jquery-zoom",
 	"description": "Enlarge images on click or mouseover.",
-	"version": "1.7.21",
+	"version": "1.7.22",
 	"keywords": [
 		"zoom",
 		"images",