add: $('#foo').css('opacity', ''); ok( $('#foo').css('opacity') == '1', "Assert opacity is 1 when set to an empty String" );  if (jQuery.browser.msie) { $('#foo').css("filter", "progid:DXImageTransform.Microsoft.Chroma(color='red');"); } equals( $('#foo').css('opacity'), '1', "Assert opacity is 1 when a different filter is set in IE, #1438" ); }); 
context: 	$.each("0,0.25,0.5,0.75,1".split(','), function(i, n) {		$('#foo').css('opacity', n);		ok( $('#foo').css('opacity') == parseFloat(n), "Assert opacity is " + parseFloat(n) + " as a String" );		$('#foo').css('opacity', parseFloat(n));		ok( $('#foo').css('opacity') == parseFloat(n), "Assert opacity is " + parseFloat(n) + " as a Number" );	});
meta: 5264	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5264/76e3a901530609d3c4a695ccb8a48251445c6861/core.js/buggy/test/unit/core.js