<!DOCTYPE?HTML>
<html>
<head>
<meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8">
<title>無標(biāo)題文檔</title>
</head><body><div?id="content">??<h1>html</h1>??<h1>php</h1>??<h1>javascript</h1>??<h1>jquery</h1>??<h1>java</h1></div><script?type="text/javascript">function?clearText()?{??var?content=document.getElementById("content");??//?在此完成該函數(shù)??var?subNodes=content.childNodes;??var?j=0;??var?x=new?Array();??for(var?i=0;i<subNodes.length;i++){??????if(subNodes[i].nodeType!=1){??????????continue;??????}??????else{??????x[j]=content.removeChild(subNodes[i]);??????j++;??????}??}??document.write("刪除的內(nèi)容為：<br>");??for(j=0;j<x.length;j++){??????document.write(x[j].innerHTML+"<br>");??}??}</script><button?onclick="clearText()">清除節(jié)點(diǎn)內(nèi)容</button></body></html>
2019-06-17
? ? ? ? function clearText() {
? ? ? ? ? ? var otest = document.getElementById("content");
? ? ? ? ? ? var text;
? ? ? ? ? ? var x = otest.removeChild(otest.childNodes[0]);
? ? ? ? ? ? text = x.innerText;
? ? ? ? ? ? document.getElementById("div1").innerText = text;
? ? ? ? }
2019-06-01
可以顯示。。代碼沒問題