removing undefined fields from an object - Javascript jQuery Method and Property

Javascript examples for jQuery Method and Property:filter

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Description

removing undefined fields from an object

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  w ww.  ja  v a2  s. c o m
var obj = { a: 1, b: undefined, c: 3 };
var newobj = $(obj).filter(function(key) {
    return $(this)[key]!== undefined;
  })[0];
console.log(JSON.stringify(newobj));
    });

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

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