ExampleExecute a JavaScript when an input field gets focus: <input type="text" id="fname" onfocus="setStyle(this.id)"> | Browser Support |
1. Definition and Usage
The onfocus attribute fires the moment that the element gets focus.
Onfocus is most often used with <input>, <select>, and <a>.
Tip: The onfocus attribute is the opposite of the onblur attribute.
Note: The onfocus attribute CANNOT be used with: <base>, <bdo>, <br>, <head>, <html>, <iframe>, <meta>, <param>, <script>, <style>, or <title>.
2. Differences Between HTML 4.01 and HTML5
None.
3. Syntax
<element onfocus="script">
4. Attribute Values
| Value | Description |
|---|---|
| script | The script to be run on onfocus |
