提升jQuery的性能需要做好七件事(2)

日期：2020-06-10 栏目：程序人生浏览：次

// Fine for up to 20 elements, slow after that: $( "a.swedberg" ).css( "color", "#0769ad" ); // Much faster: $( "<style type=\"text/css\">a.swedberg { color: #0769ad }</style>") .appendTo( "head" );

7. Don't Treat jQuery as a Black Box