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Document getElementById() Method
Document Object
Definition and Usage
The getElementById() method accesses the first element with the specified id.
Syntax
document.getElementById("id")
| Parameter | Description |
|---|---|
| id | Required. The id of the element you want to access/manipulate |
Browser Support
The getElementById() method is supported in all major browsers.
Example
Example
Alert innerHTML of an element with a specific ID:
<html>
<head>
<script>
function getValue()
{
var x=document.getElementById("myHeader");
alert(x.innerHTML);
}
</script>
</head>
<body>
<h1 id="myHeader" onclick="getValue()">Click me!</h1>
</body>
</html>
<head>
<script>
function getValue()
{
var x=document.getElementById("myHeader");
alert(x.innerHTML);
}
</script>
</head>
<body>
<h1 id="myHeader" onclick="getValue()">Click me!</h1>
</body>
</html>
Try it yourself »
Document Object
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