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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<p>我正在学习JavaScript编程技术</p>
<p>我正在学习<strong style="color: red;">JavaScript</strong>编程技术</p>
</body>
<script>
var p = document.getElementsByTagName('p')[0];
var p1 = document.getElementsByTagName('p').item(1);
console.log(p.innerHTML); //innerHTML可以输出标签
console.log(p1.innerHTML)
//textContent 仅获取纯文本
console.log(p.textContent);
console.log(p1.textContent);
//nodeType == 3 文本节点
//nodeValue 节点值
if(p.childNodes[0].nodeType == 3){
console.log(p.childNodes[0].nodeValue);
}
if(p1.childNodes[0].nodeType == 3){
console.log(p1.childNodes[0].nodeValue);
}
</script>
</html>
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