Disable zero as first letter in <input> - Javascript jQuery

Javascript examples for jQuery:Form Input

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Description

Disable zero as first letter in <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-1.8.3.js"></script> 
      <script type="text/javascript">
    $(window).load(function(){//from   ww  w. j a  v a 2  s. c  o m
$('input#foo').keyup(function(e) {
    if((this.value+'').match(/^0/)) {
       this.value = (this.value+'').replace(/^0+/g, '');
    }
});
    });

      </script> 
   </head> 
   <body> 
      <input id="foo">  
   </body>
</html>

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