比如 <ul> <li>aaaaaaaaaaaaaaaaa</li> <li>aaaaaaaaaaaaaaaaa</li> <li>aaaaaaaaaaaaaaaaa</li> <li>aaaaaaaaaaaaaaaaa</li> <li>aaaaaaaaaaaaaaaaa</li> </ul> 如果li的長度大于5 則顯示 <ul> <li>aaaaa...</li> <li>aaaaa...</li> <li>aaaaa...</li> <li>aaaaa...</li> <li>aaaaa...</li> </ul>
如何用原生js截取所有li的文本內容并代替原本的內容
慕的地6264312
2018-12-20 18:15:48