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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>Executing a Function on Keyup Event in jQuery</title> <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script> <style> p{ padding: 10px; background: lightgreen; display: none; } div{ margin: 20px 0; } </style> <script> $(document).ready(function(){ var i = 0; $('input[type="text"]').keyup(function(){ $("span").text(i += 1); $("p").show().fadeOut(); }); }); </script> </head> <body> <input type="text"> <div>Keyup: <span>0</span></div> <div><strong>Note:</strong> Enter something inside the input box and see the result.</div> <p>Keyup is triggered.</p> </body> </html>