HTML onfocus Event Attribute
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The onfocus event attribute is supported in all major browsers.
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>.
Differences Between HTML 4.01 and HTML5
|script||The script to be run on onfocus|
HTML Event Attributes
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