摘要： (Document).Ready //DOM准备好了DOM is available->(Window).Load//所有页面载入完成the entire Web page (including all assets) is completely loaded.★引用时CSS文件在JQuery之前。Include all CSS files before including jQuery★Using jQuery with a CDN. 查找CDN=> http://jquery.com/download/https://developers.google.com/speed/li 阅读全文