title: Prefix a string in each item of a array in javascript
body: <p>I have an array like below: </p>
  
  <pre><code> var arrItems = [
    {id: '1', value: 'table', price: 100},
    {id: '2', value: 'chair', price: 200},
    {id: '3', value: 'bed', price: 300},
  ];
  </code></pre>
  
  <p>How to prefix a string 'AB' in each item's id in the array?
  My result array should be :</p>
  
  <pre><code> var arrItems = [
        {id: 'AB1', value: 'table', price: 100},
        {id: 'AB2', value: 'chair', price: 200},
        {id: 'AB3', value: 'bed', price: 300},
      ];
  </code></pre>
  
  <p>Can I achieve it using the Javascript in map function?</p>