HTML DOM navigation
Translation results：
The HTML DOM enables you to navigate within a node tree using node relationships.
HTML DOM navigationsyntax
getElementsByTagName() method returns the node list. A node list is an array of nodes.
HTML DOM navigationexample
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
<p>Hello World!</p>
<p>DOM 是非常有用的!</p>
<p>这个实例演示了 <b>length</b> 属性。</p>
<script>
x=document.getElementsByTagName("p");
for (i=0;i<x.length;i++)
{
document.write(x[i].innerHTML);
document.write("<br>");
}
</script>
</body>
</html>Run instance »
Click the "Run instance" button to view the online instance