jQuery keyup() Method

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jQuery keyup() Method

The jQuery keyup() method is used for the following 2 purpose

  1. To run a callback when a keyboard key is released in a specified element.
  2. To trigger the keyup event of a specified element.

Run a Callback

In the following example, we will run a callback function when a keyboard key is released in any input.

Example

HTML Editor
<!DOCTYPE html> <html lang="en-US"> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> </head> <body> <h1>jQuery keyup() Method</h1> <input type="text" placeholder="type something"> <script> $(document).ready(function(){ $("input").keyup(function(){ alert("Key is up"); }); }); </script> </body> </html>

Syntax

$(selector).keyup(callback);

Parameter Values

ValueTypeExplanation
callbackOptionalSpecifies a function to be called once the key is up.

Trigger a keyup Event

In the following example, we will trigger a keyup event when a button is clicked.

Example

HTML Editor
<!DOCTYPE html> <html lang="en-US"> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> </head> <body> <h1>jQuery keyup() Method</h1> <input type="text" placeholder="type something"> <button>Trigger keyup Event</button> <script> $(document).ready(function(){ $("input").keyup(function(){ alert("Key is up"); }); $("button").click(function(){ $("input").keyup(); }); }); </script> </body> </html>

keydown() vs keypress() vs keyup()

Check out the difference between keydown() vs keypress() vs keyup() in jquery.

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