JS实现页面HTML内容以另存为的文件形式下载保存

1.原文查看地址：https://segmentfault.com/q/1010000000438270 

2.实现例子地址：http://jsfiddle.net/uzhr6/ 

3.实例代码：

function fake_click(obj) {    var ev = document.createEvent("MouseEvents");    ev.initMouseEvent(        "click", true, false, window, 0, 0, 0, 0, 0        , false, false, false, false, 0, null        );    obj.dispatchEvent(ev);}function export_raw(name, data) {    var urlObject = window.URL || window.webkitURL || window;    var export_blob = new Blob([data]);    var save_link = document.createElementNS("http://www.w3.org/1999/xhtml", "a")    save_link.href = urlObject.createObjectURL(export_blob);    save_link.download = name;    fake_click(save_link);}$('a').click(function() {export_raw('test.html', 'hello world');});