title: How do I use a JS variable within JSON?
body: <p>I'm attempting to create a postcode lookup JQuery script that'll be able to be used multiple times on a page, without having to duplicate the script for every address on the page. The Find button has the class "postcodeLookup" and the attribute "address" which is how I intended to get the script to populate the right address (it uses JQuery Populate plugin) &amp; the inputs are named address[line1], where "address" is changeable (home[line1], office[line1], etc.).</p>
  
  <p>The problem is how to get the JSON that populates the address to use the variable contents rather than the literal word "address"?</p>
  
  <pre><code>//postcode lookups
  $(".postcodeLookup").click(function(){
      alert("I am The Postcode Finder...\nPretending to find the address...\nFound it!");
      var address = $(this).attr('address');
      $("form").populate({
          address: {
              line1: "First Line of Addr.",
              line2: "Line 2!",
              line3: "Line 3 of The Address",
              postcode: "PO1 1PO"
          }
      });
      $(".addressArea").slideDown('fast');
  });
  </code></pre>