Transform is 'undefined' in IE 8

Chris-Kim · Chris-Kim · commit ea11eedba4bf · 2014-12-23T12:22:02.000+10:00
diff --git a/intro.js b/intro.js
@@ -950,7 +950,7 @@
       var zIndex = _getPropValue(parentElm, 'z-index');
       var opacity = parseFloat(_getPropValue(parentElm, 'opacity'));
       var transform = _getPropValue(parentElm, 'transform') || _getPropValue(parentElm, '-webkit-transform') || _getPropValue(parentElm, '-moz-transform') || _getPropValue(parentElm, '-ms-transform') || _getPropValue(parentElm, '-o-transform');
-      if (/[0-9]+/.test(zIndex) || opacity < 1 || transform !== 'none') {
+      if (/[0-9]+/.test(zIndex) || opacity < 1 || (transform !== 'none' && transform !== undefined)) {
         parentElm.className += ' introjs-fixParent';
       }
 

Original file line number	Diff line number	Diff line change
`@@ -950,7 +950,7 @@`
`950`	`950`	`var zIndex = _getPropValue(parentElm, 'z-index');`
`951`	`951`	`var opacity = parseFloat(_getPropValue(parentElm, 'opacity'));`
`952`	`952`	`var transform = _getPropValue(parentElm, 'transform') \|\| _getPropValue(parentElm, '-webkit-transform') \|\| _getPropValue(parentElm, '-moz-transform') \|\| _getPropValue(parentElm, '-ms-transform') \|\| _getPropValue(parentElm, '-o-transform');`
`953`		`- if (/[0-9]+/.test(zIndex) \|\| opacity < 1 \|\| transform !== 'none') {`
	`953`	`+ if (/[0-9]+/.test(zIndex) \|\| opacity < 1 \|\| (transform !== 'none' && transform !== undefined)) {`
`954`	`954`	`parentElm.className += ' introjs-fixParent';`
`955`	`955`	`}`
`956`	`956`