title: get one item from an array of name,value JSON
body: <p>I have this array:</p>
  
  <pre><code>var arr = [];
  arr.push({name:"k1", value:"abc"});
  arr.push({name:"k2", value:"hi"});
  arr.push({name:"k3", value:"oa"});
  </code></pre>
  
  <p>is it possible to do get the value or a specific element by knowing the name ?</p>
  
  <p>something like this:</p>
  
  <pre><code>arr['k2'].value
  </code></pre>
  
  <p>or </p>
  
  <pre><code>arr.get('k1')
  </code></pre>