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How to add p element in JavaScript
- 青灯夜游Original
- 2022-02-08 14:36:394051browse
How to add p element in JavaScript: 1. Use the "document.createElement("p")" statement to create a new p element node; 2. Use the "parent node.appendChild(p element node)" statement Adds the newly created p node to the specified parent node.
The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.
JavaScript adds p element
Implementation idea:
1. Use document.createElement() to create a node
2. Add the created node to the parent node using the parent Element.appendChild (child element) method
Implementation code:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style>
p{
height: 20px;
border: 1px solid red;
}
</style>
</head>
<body>
<div id="div1">
<p id="p1">这是一个段落。</p>
<p id="p2">这是另一个段落。</p>
</div>
<button onclick="myFunction()">添加p元素</button>
<script>
function myFunction() {
var para = document.createElement("p"); //创建新的<p> 元素
var node = document.createTextNode("这是一个新段落。"); //创建文本节点
para.appendChild(node); //向 <p> 元素追加这个文本节点
//向已有的元素追加这个新元素
var element=document.getElementById("div1");
element.appendChild(para);
}
</script>
</body>
</html>
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