title: how can i access map a json array and search for an object by id and change a value within that object
body: <p><strong>JSON STRUCTURE</strong></p>
  <pre><code> &quot;applications&quot; : [
      {
          &quot;applicantID&quot; : &quot;607187fedf225c1d80cd0e7d&quot;, 
          &quot;applicationMessage&quot; : &quot;bb&quot;, 
          &quot;applicantUserName&quot; : &quot;alaa21&quot;, 
          &quot;postResponse&quot; : &quot;still&quot;
      }, 
      {
          &quot;applicantID&quot; : &quot;6060dfde2607d52d1499c189&quot;, 
          &quot;applicationMessage&quot; : &quot;ee&quot;, 
          &quot;applicantUserName&quot; : &quot;taher&quot;, 
          &quot;postResponse&quot; : &quot;still&quot;
      }
  ], 
  </code></pre>
  <p>i have the &quot;applicantID&quot; as parameters and i want to access &quot;applications&quot; and find the object that has that &quot;applicantID&quot; and modify the string &quot;postResponse&quot; of that object .
  I'm using MERN Stack for this project</p>