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HTML DOM onkeyup Event

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The HTML DOM onkeyup event in HTML occurs when a key is released after pressing by the user. Order of events related to the onkeyup event.

Syntax:

  • In HTML:
<element onkeyup="myScript">
  • In JavaScript:
object.onkeyup = function(){myScript};
  • In JavaScript, using the addEventListener() method:
object.addEventListener("keyup", myScript);

Example: JavaScript onkeyup Event using the addEventListener() method 

HTML

<!DOCTYPE html>
<html>
 
<head>
    <title>
        HTML DOM onkeyup Event
    </title>
</head>
 
<body>
    <h1 style="color:green">
        GeekforGeeks
    </h1>
    <p>
        Press any key inside the input field
    </p>
    <input type="text" id="inputField"
           style="background-color:green">
   
    <script>
        document.getElementById(
            "inputField").addEventListener(
                "keyup", GFGFun);
        function GFGFun() {
            document.getElementById(
                "inputField").style.backgroundColor =
                "yellow";
        }
    </script>
</body>
 
</html>

                    

Output:

 

Example 2: By using HTML onkeyup.

HTML

<!DOCTYPE html>
<html>
 
<head>
    <title>
        HTML DOM onkeyup Event
    </title>
</head>
 
<body>
    Enter your name:
    <input type="text" id="gfg" onkeyup="myFunction()">
    <p>
        My name is: <span id="gfg1"></span>
    </p>
 
    <script>
        function myFunction() {
            let x = document.getElementById("gfg").value;
            document.getElementById("gfg1").innerHTML = x;
            document.getElementById("gfg").style.color = 'white';
            document.getElementById("gfg").style.backgroundColor = 'red';
        }
    </script>
 
</body>
 
</html>

                    

Output:

 

We have a complete list of HTML DOM methods, to check those please go through this HTML DOM Object Complete reference article.

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

Supported Browsers: The browsers supported by HTML DOM onkeyup Event are listed below:

  • Google Chrome
  • Internet Explorer
  • Firefox
  • Apple Safari
  • Opera

We have a Cheat Sheet on Javascript where we covered all the important topics of Javascript to check those please go through Javascript Cheat Sheet-A Basic guide to JavaScript.



Last Updated : 20 Jun, 2023
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