Prevent characters such as quotation marks from input - Javascript jQuery

Javascript examples for jQuery:Form Input

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Description

Prevent characters such as quotation marks from input

Demo Code

ResultView the demo in separate window 

<html>
 <head> 
  <meta name="viewport" content="width=device-width, initial-scale=1"> 
  <script type="text/javascript" src="https://code.jquery.com/jquery-1.11.0.js"></script> 
  <script type="text/javascript">
    $(window).load(function(){//from w  w w . j a va2s. c  o m
$('input').on('keypress', function (e) {
    if (/^[a-zA-Z0-9\.\b]+$/.test(String.fromCharCode(e.keyCode))) {
        return;
    } else {
        e.preventDefault();
    }
});
    });

      </script> 
 </head> 
 <body> 
  <input>  
 </body>
</html>

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