授权协议为GPL和MIT许可证双协议。它是轻量级的js库(压缩后只有21k) ，它兼容CSS3，还兼容各种浏览器 （IE 6.0+, FF 1.5+, Safari 2.0+, Opera 9.0+）。jQuery使用户能更方便地处理HTML documents、events、实现动画效果，并且方便地为网站提供AJAX交互。-The license agreement for the GPL and MIT licenses agreement. It is lightweight js library (compressed only 21k), which is compatible with CSS3, also compatible with a variety of browser control (IE 6.0+, the FF 1.5+ Safari 2.0+, Opera 9.0+). jQuery so that users can more easily deal with HTML documents, events, animation, and for the site to provide AJAX interaction.