<!DOCTYPEhtml><html><headlang="en"><metacharset="UTF-8"><title>test</title><scripttype="text/javascript"src="http://code.jquery.com/jquery-1.11.1.min.js"></script></head><body><ulclass="orderobj"><liclass="preview"a="2">2</li><liclass="preview"a="5">5</li><liclass="preview"a="1">1</li><liclass="preview"a="9">9</li><liclass="preview"a="8">8</li></ul><buttononclick="test()">测试</button><scriptlanguage="JavaScript"type="text/JavaScript">functiontest(){varitems=$(".orderobjli").get();items.sort(function(a,b){varA=$(a).attr('a');varB=$(b).attr('a');if(A<B)return-1;if(A>B)return1;return0;});varul=$(".orderobj");$.each(items,function(i,li){ul.append(li);});}</script></body></html>