title: Replace all value in JSON object array with key in JavaScript
body: <p>Any one give suggestion . Without looping the json object . Need to replace the value by key. </p>
  
  <p>Example json</p>
  
  <pre><code>var Arr = [{'name':'rajn',  'age':20 , 'status': 'offline'},
  {'name':'jhon',  'age':30 , 'status': 'offline'},
  {'name':'antoon',  'age':50 , 'status': 'offline'},
  {'name':'knhon',  'age':40 , 'status': 'offline'}]'
  </code></pre>
  
  <p>Now here in one shot have to replace all status to online .. </p>
  
  <p>Is that any pre defined javascript function we can use ?  How can we do this very simple steps . Normal iterate and change with key to value ..</p>
  
  <p>Thank you</p>