title: How do I add a javascript object to an existing javascript object?
body: <pre><code>var old = { 'a':3, 'b': 5 }
  var new = { 'a': 999, 'c': 10 }
  </code></pre>
  
  <p>how do I append the "new" to the "old" and result in:</p>
  
  <pre><code>{ 'a': 999, 'b': 5, 'c': 10 }
  </code></pre>