Javascript examples for jQuery:Form Event
Limit key input for HTML input tag
<html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <script type="text/javascript" src="https://code.jquery.com/jquery-2.1.3.js"></script> <script type="text/javascript"> $(window).load(function(){/*from w w w.j a va2s.c o m*/ $("#input1").keydown(function(e){ if (e.keyCode != 65) return false; }); }); </script> </head> <body> <input type="text" id="input1"> <input type="text" id="input2"> </body> </html>