不信试试这个case
<ul id="test-list"> <li>JavaScript</li> <li>Swift</li> <li>HTML</li> <li>CSS</li> <li>DirectX</li> </ul>
正确代码
var list = document.getElementById('test-list'); for(var i=0; i<list.children.length;){ var n = list.children[i].innerText; if(n!=='JavaScript' && n!=='HTML' && n!=='CSS'){ list.removeChild(list.children[i]); } else ++i; }
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kwyh
不信试试这个case
正确代码