按的第一个greasemonkey插件：评论时可以粘贴啦~~

原来的样子：如果按ctrl+V会跳出错误

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" 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安装上插件的样子：在下面添加了一个文本框和一个按钮，可以在这个文本框里面随便粘贴，然后按这个按钮就可以更新到评价文本框里面

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" alt="" />

代码：

 // ==UserScript==

 // @name        tmall_vote

 // @namespace   jshe

 // @include     http://ratewrite.tmall.com/*

 // @version     1

 // @grant       none

 // ==/UserScript==

 alert('hello2');

 function embed() {

   var getElementByXpath = function (path) {

     return document.evaluate(path, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;

   };

   var jshe_setTextarea = function () {

     jshe_cell.value = jshe_textarea.value;

   };

   jshe_cell = document.getElementsByClassName('rate-quanlity-content') [0];

   jshe_textarea = document.createElement('textarea');

   jshe_textarea.value = 'Hello';

   jshe_textarea.name = 'jshe_textarea';

   jshe_cell.parentNode.parentNode.appendChild(jshe_textarea);

   var button = document.createElement('button');

   button.innerHTML = 'ClickMe';

   button.onclick = jshe_setTextarea;

   jshe_cell.parentNode.parentNode.appendChild(button);

 }

 var script = document.createElement('script');

 script.type = 'text/javascript';

 script.innerHTML = embed + '\nsetTimeout(embed, 3000);';

 document.getElementsByTagName('body') [0].appendChild(script);

 //alert("hello3");

greasemonkey