title: How to manipulate this JSON array in JavaScript
body: <p>I have a JSON array like: </p>
  
  <pre><code>var data = {
    name: 'Mike',
    level: 1,
    children: [
      { name: 'Susan',
        level: 2,   },
      { name: 'Jake',
        level: 2    },
      { name: 'Roy',
        level: 2 },
      ]
    }
  </code></pre>
  
  <p>How could i add a children array to Jake so that the array would then look like: </p>
  
  <pre><code>var data = {
    name: 'Mike',
    level: 1,
    children: [
      { name: 'Susan',
        level: 2,   },
      { name: 'Jake',
        level: 2,
        children: [ 
               { name: 'Angela',
                 level: 3 }   
                  ] 
      },
      { name: 'Roy',
        level: 2 },
      ]
    }
  </code></pre>