title: Querying Array of objects using javascript - Helper functions
body: <p>if you are looking for Get/Delete/Sum/IsExist functions for an array of objects using javascript, I have posted this question and answer for such functions </p>
  
  <ul>
  <li>Remove Object from an Array using JavaScript</li>
  <li>Is Exist for an Object from an Array using JavaScript</li>
  <li>Select Object from an Array using JavaScript</li>
  <li>Sum Object values in an Array using JavaScript</li>
  </ul>