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HTML | onkeyup Event Attribute

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  • Difficulty Level : Basic
  • Last Updated : 02 Aug, 2021

This onkeyup event attribute works when the user releases the key from the keyboard.
Supported Tags:  It supports all HTML elements Except- 

  • <base>
  •  <bdo>
  • <br>
  • <head>
  • <html>
  • <iframe>
  • <meta>
  • <param>
  • <script>
  • <style> 
  • <title>

Syntax: 
 

<element onkeyup = "script">

Attribute Value: This attribute contains single value script which works when the keyboard key is released. 
Supported Tags: It is supported by all HTML elements except <base>, <bdo>, <br>, <head>, <html>, <iframe>, <meta>, <param>, <script>, <style>, and <title>.
Example: 
 

html




<!DOCTYPE html>
<html>
    <head>
        <title>onkeyup Event Attribute </title>
        <style>
            h1 {
                text-align: center;
                color: green;
            }
            h2 {
                text-align: center;
            }
            input[type=text] {
                width: 100%;
                padding: 12px 20px;
                margin: 8px 0;
                box-sizing: border-box;
                font-size: 24px;
                color: white;
            }
            p {
                font-size: 20px;
            }
        </style>
    </head>
    <body>
        <h1>GeeksforGeeks<h1>
        <h2>onkeyup Event Attribute</h2>
         
<p>Release the key to set a green background color.</p>
 
        <input type="text" id="demo" onkeydown="keydownFunction()"
                onkeyup="keyupFunction()">
        <script>
            function keydownFunction() {
                document.getElementById("demo").style.backgroundColor = "blue";
            }
 
            function keyupFunction() {
                document.getElementById("demo").style.backgroundColor = "green";
            }
        </script>
    </body>
</html>                   

Output: 
Press the key: 
 

onkeyup

Release the key: 
 

onkeyup

Supported Browser: The browser supported by onkeyup event attribute are listed below: 
 

  • Chrome
  • Internet Explorer
  • Firefox
  • Safari
  • Opera

 


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