js获取网页选中部分的内容，包含html代码

function getSelectedContents(){ if (window.getSelection) { //chrome,firefox,opera var range=window.getSelection().getRangeAt(0); var container = document.createElement('div'); container.appendChild(range.cloneContents()); return container.innerHTML; //return window.getSelection(); //只复制文本 } else if (document.getSelection) { //其他 var range=window.getSelection().getRangeAt(0); var container = document.createElement('div'); container.appendChild(range.cloneContents()); return container.innerHTML; //return document.getSelection(); //只复制文本 } else if (document.selection) { //IE特有的 return document.selection.createRange().htmlText; //return document.selection.createRange().text; //只复制文本 }}