提升jQuery的性能需要做好七件事

// 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

以上就是提升jQuery的性能需要做好的七件事，清楚了吧！