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HTML onkeyup Event Attribute

❮ HTML Event Attributes


Execute a JavaScript when a user releases a key:

<input type="text" onkeyup="myFunction()">
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More "Try it Yourself" examples below.

Definition and Usage

The onkeyup attribute fires when the user releases a key (on the keyboard).

Tip: The order of events related to the onkeyup event:

  1. onkeydown
  2. onkeypress
  3. onkeyup

Browser Support

Event Attribute
onkeyup Yes Yes Yes Yes Yes


<element onkeyup="script">

Attribute Values

Value Description
script The script to be run on onkeyup

Technical Details

Supported HTML tags: All HTML elements, EXCEPT: <base>, <bdo>, <br>, <head>, <html>, <iframe>, <meta>, <param>, <script>, <style>, and <title>

More Examples


Using "onkeydown" together with the "onkeyup" attribute:

<input type="text" onkeydown="keydownFunction()" onkeyup="keyupFunction()">
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Output the actual key that was released inside a text field:

Enter your name: <input type="text" id="fname" onkeyup="myFunction()">

function myFunction() {
  var x = document.getElementById("fname").value;
  document.getElementById("demo").innerHTML = x;
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Related Pages

HTML DOM reference: onkeyup event

❮ HTML Event Attributes