Adds focus to anchor if it's a link

Author: Chris Ferdinandi

README.md

@@ -251,6 +251,8 @@ Smooth Scroll is licensed under the [MIT License](http://gomakethings.com/mit/).
 
 Smooth Scroll uses [semantic versioning](http://semver.org/).
 
+* v5.2.0 - November 21, 2014
+	* Add focus to scrolled to anchor if focusable.
 * v5.1.4 - October 18, 2014
 	* Removed `.bind` dependency and polyfill.
 	* Updated `gulpfile.js` tasks and namespacing.

dist/js/bind-polyfill.js

@@ -1,5 +1,5 @@
 /**
- * smooth-scroll v5.1.4
+ * smooth-scroll v5.2.0
  * Animate scrolling to anchor links, by Chris Ferdinandi.
  * http://github.com/cferdinandi/smooth-scroll
  * 
@@ -278,10 +278,11 @@
 		anchor = '#' + escapeCharacters(anchor.substr(1)); // Escape special characters and leading numbers
 
 		// Selectors and variables
+		var anchorElem = document.querySelector(anchor);
 		var fixedHeader = document.querySelector('[data-scroll-header]'); // Get the fixed header
 		var headerHeight = fixedHeader === null ? 0 : (fixedHeader.offsetHeight + fixedHeader.offsetTop); // Get the height of a fixed header if one exists
 		var startLocation = root.pageYOffset; // Current location on the page
-		var endLocation = getEndLocation( document.querySelector(anchor), headerHeight, parseInt(settings.offset, 10) ); // Scroll to location
+		var endLocation = getEndLocation( anchorElem, headerHeight, parseInt(settings.offset, 10) ); // Scroll to location
 		var animationInterval; // interval timer
 		var distance = endLocation - startLocation; // distance to travel
 		var documentHeight = getDocumentHeight();
@@ -302,6 +303,7 @@
 			var currentLocation = root.pageYOffset;
 			if ( position == endLocation || currentLocation == endLocation || ( (root.innerHeight + currentLocation) >= documentHeight ) ) {
 				clearInterval(animationInterval);
+				anchorElem.focus();
 				settings.callbackAfter( toggle, anchor ); // Run callbacks after animation complete
 			}
 		};

dist/js/bind-polyfill.min.js

@@ -1,5 +1,5 @@
 /**
- * smooth-scroll v5.1.4
+ * smooth-scroll v5.2.0
  * Animate scrolling to anchor links, by Chris Ferdinandi.
  * http://github.com/cferdinandi/smooth-scroll
  * 
@@ -278,10 +278,11 @@
 		anchor = '#' + escapeCharacters(anchor.substr(1)); // Escape special characters and leading numbers
 
 		// Selectors and variables
+		var anchorElem = document.querySelector(anchor);
 		var fixedHeader = document.querySelector('[data-scroll-header]'); // Get the fixed header
 		var headerHeight = fixedHeader === null ? 0 : (fixedHeader.offsetHeight + fixedHeader.offsetTop); // Get the height of a fixed header if one exists
 		var startLocation = root.pageYOffset; // Current location on the page
-		var endLocation = getEndLocation( document.querySelector(anchor), headerHeight, parseInt(settings.offset, 10) ); // Scroll to location
+		var endLocation = getEndLocation( anchorElem, headerHeight, parseInt(settings.offset, 10) ); // Scroll to location
 		var animationInterval; // interval timer
 		var distance = endLocation - startLocation; // distance to travel
 		var documentHeight = getDocumentHeight();
@@ -302,6 +303,7 @@
 			var currentLocation = root.pageYOffset;
 			if ( position == endLocation || currentLocation == endLocation || ( (root.innerHeight + currentLocation) >= documentHeight ) ) {
 				clearInterval(animationInterval);
+				anchorElem.focus();
 				settings.callbackAfter( toggle, anchor ); // Run callbacks after animation complete
 			}
 		};