Tryit Editor v1.8

Source Code:
<!DOCTYPE html> <html> <head> <script src="../../ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"> </script> <script> $(document).ready(function(){ $("button").click(function(){ $("input").change(); }); }); </script> </head> <body> <p>Click the button to trigger the change event (even if the element has not been changed).</p> <button>Trigger change event for input field</button> <p>Enter your name: <input value="Donald" onchange="alert(this.value)" type="text"></p> </body> </html>
Result:
W3Schools.com - Try it yourself