Not allowing to write spaces in input using Javascript - HTML CSS CSS Form

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Description

Not allowing to write spaces in input using Javascript

Demo Code

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<html>
 <head> 
  <meta name="viewport" content="width=device-width, initial-scale=1"> 
  <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script> 
  <script type="text/javascript">
    $(window).load(function(){<!--from ww  w  .j av  a 2s  . c om-->
$("input").on("keydown", function (e) {
    return e.which !== 32;
});
    });

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

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