This time I will bring you JS to add a new element node. What are the precautions for adding a new element node to JS? The following is a practical case, let's take a look.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>www.jb51.net - JS添加新节点的几种方法</title>
</head>
<body>
<p id="d">
<span id="s">
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</span>
</p>
</body>
<script type="text/javascript">
//首先找到Id为d的元素
var d=document.getElementById('d');
//创建一个节点
var a=document.createElement('a');
//设置a的属性
a.href='https://www.baidu.com/';
a.innerText='ggggg';
//添加元素 将创建的节点添加到Id为d的p里
d.appendChild(a);
//在指定节点前插入新节点
var p=document.createElement('p');
//添加文本内容
p.innerText='ppppppppppppppppp';
//d.appendChild(p);
//参数1：要添加的元素 参数2：要放到哪个节点的前面
d.insertBefore(p,a);
//获取目标元素
var s=document.getElementById('s');
//克隆新元素
var spanc= s.cloneNode(true);//默认参数是false
d.appendChild(spanc);
</script>
</html>
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