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fix for #4216. css now ignores negative numbers for width and height … 

…when passed an object of props and vals.
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commit 6a049246a123d7da75430f875e9eee1ba3270722 1 parent 8be5792
Brandon Aaron authored April 22, 2009

Showing 2 changed files with 11 additions and 5 deletions. Show diff stats Hide diff stats

  1. 8  src/css.js
  2. 8  test/unit/css.js
8  src/css.js
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@@ -8,10 +8,6 @@ var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i,
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 jQuery.fn.css = function( name, value ) {
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 	var options = name, isFunction = jQuery.isFunction( value );
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-	// ignore negative width and height values
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-	if ( (name == 'width' || name == 'height') && parseFloat(value) < 0 )
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-		value = undefined;
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-
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 	if ( typeof name === "string" ) {
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 		// Are we setting the style?
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 		if ( value === undefined ) {
 
@@ -55,6 +51,10 @@ jQuery.extend({
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 		if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
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 			return undefined;
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  54 
+		// ignore negative width and height values #1599
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+		if ( (name == 'width' || name == 'height') && parseFloat(value) < 0 )
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+			value = undefined;
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+
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 		var style = elem.style || elem, set = value !== undefined;
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 		// IE uses filters for opacity
8  test/unit/css.js
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... ... 
@@ -1,7 +1,7 @@
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 module("css");
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 test("css(String|Hash)", function() {
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-	expect(19);
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+	expect(21);
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 	equals( jQuery('#main').css("display"), 'none', 'Check for css property "display"');
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@@ -11,6 +11,12 @@ test("css(String|Hash)", function() {
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 	jQuery('#nothiddendiv').css({display: 'block'});
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 	ok( jQuery('#nothiddendiv').is(':visible'), 'Modified CSS display: Assert element is visible');
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+	// handle negative numbers by ignoring #1599, #4216
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+	var width = parseFloat(jQuery('#nothiddendiv').css('width')), height = parseFloat(jQuery('#nothiddendiv').css('height'));
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+	jQuery('#nothiddendiv').css({ width: -1, height: -1 });
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+	equals( parseFloat(jQuery('#nothiddendiv').css('width')), width, 'Test negative width ignored')
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+	equals( parseFloat(jQuery('#nothiddendiv').css('height')), height, 'Test negative height ignored')
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+
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 	jQuery('#floatTest').css({styleFloat: 'right'});
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 	equals( jQuery('#floatTest').css('styleFloat'), 'right', 'Modified CSS float using "styleFloat": Assert float is right');
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 	jQuery('#floatTest').css({cssFloat: 'left'});

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