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Don't add "px" to unit-less properties when animating them. Fixes #4966.

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jitter committed Feb 13, 2011
1 parent dba8c20 commit c5edf982d59977c506fececd504a3dbfd1a398dc
Showing with 12 additions and 2 deletions.
  1. +2 −2 src/effects.js
  2. +10 −0 test/unit/effects.js
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@@ -189,7 +189,7 @@ jQuery.fn.extend({
if ( parts ) {
var end = parseFloat( parts[2] ),
- unit = parts[3] || "px";
+ unit = parts[3] || jQuery.cssNumber[ name ] ? "" : "px";
// We need to compute starting value
if ( unit !== "px" ) {
@@ -348,7 +348,7 @@ jQuery.fx.prototype = {
this.startTime = jQuery.now();
this.start = from;
this.end = to;
- this.unit = unit || this.unit || "px";
+ this.unit = unit || this.unit || jQuery.cssNumber[ this.prop ] ? "" : "px";
this.now = this.start;
this.pos = this.state = 0;
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@@ -919,3 +919,13 @@ test("hide hidden elements, with animation (bug #7141)", function() {
});
});
});
+
+test("animate unit-less properties (#4966)", 2, function() {
+ stop();
+ var div = jQuery( "<div style='z-index: 0'></div>" ).appendTo( "body" );
+ equal( div.css( "z-index" ), "0", "z-index is 0" );
+ div.animate({ zIndex: 2 }, function() {
+ equal( div.css( "z-index" ), "2", "z-index is 2" );
+ start();
+ });
+});

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