JQuery select a variable by passing a text string of its name - Javascript jQuery

Javascript examples for jQuery:Selector

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Description

JQuery select a variable by passing a text string of its name

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-1.5.2.js"></script> 
      <script type="text/javascript">
    $(window).load(function(){//from  w  w w.j  a va 2  s. c  o  m
var obj = { foo: "xxx" };
for(key in obj) {
    console.log($("#" + key).length);
}
    });

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

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