Jquery是继prototype之后又一个优秀的Javascr ipt库。它是轻量级的js库 ，它兼容CSS3，还兼容各种浏览器（IE 6.0+, FF 1.5+, Safari 2.0+, Opera 9.0+），jQuery2.0及后续版本将不再支持IE6/7/8浏览器。-Jquery is the second prototype has an excellent Javascr ipt library. It is lightweight js library, which is compatible with CSS3, also compatible with all browsers (IE 6.0+, FF 1.5+, Safari 2.0+, Opera 9.0+), jQuery2.0 and subsequent versions will no longer support IE6/7/8 browser.