<script>
document.onload=function(){
var demo = document.getElementById("demo")
demo.onclick=function(){
var itm=document.getElementById("myList1").firstChild;
var cln=itm.cloneNode(true);
document.getElementById("myList2").appendChild(cln);
}
}
</script>
<body>
<input type="button" id="demo" value="点击一下">
<ul id="myList1">
<li>水果</li>
<li>蔬菜</li>
</ul>
<ul id="myList2" >
<li>食物</li>
</ul>
</body>
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<html>
<head>
</head>
<body>
<input type="button" id="demo" value="点击一下">
<ul id="myList1">
<li>水果</li>
<li>蔬菜</li>
</ul>
<ul id="myList2">
<li>食物</li>
</ul>
<script>
var demo = document.getElementById("demo")
console.log(1, demo)
demo.onclick = function () {
var itm = document.getElementById("myList1").firstElementChild;
console.log(itm)
var cln = itm.cloneNode(true);
console.log(cln)
document.getElementById("myList2").appendChild(cln);
}
</script>
</body>
</html> 分享
