js将html转换为纯文本 document.body.textContent//firefox浏览器 document.body.innerText//适用ie webkit浏览器 document.body.innerHTML.replace(/<(style|script|iframe)[^>]*?>[sS]+?</1s*>/gi,'').replace(/<[^>]+?>/g,'').replace(/s+/g,' ').replace(/ /g,' ').replace(/>/g,' '); 转自:http://blog.csdn.net/zhhaogen/article/details/7370052