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 |
Example
Alert innerHTML of an element with a specific ID:
| <html> <head> <script type="text/javascript"> function getValue() { var x=document.getElementById("myHeader"); alert(x.innerHTML); } </script> </head> <body> <h1 id="myHeader" onclick="getValue()">Click me!</h1> </body> </html> |