Access HTML DOM - Find HTML elements.
HTML DOM access syntax
Accessing HTML elements is equivalent to accessing nodes
You can access HTML elements in different ways:
By using the getElementById() method
By using getElementsByTagName() Method
By using getElementsByClassName() Method
HTML DOM access example
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
<p id="intro">Hello World!</p>
<p>这个实例演示了 <b>getElementById</b> 方法!</p>
<script>
x=document.getElementById("intro");
document.write("<p>段落的文本为: " + x.innerHTML + "</p>");
</script>
</body>
</html>Run instance »
Click the "Run instance" button to view the online instance