title: Check if value exist in OBJECT?
body: <p>I have some obejct thats looks like this</p>
  
  <pre><code>{
    "tasks": [
      {
        "name": "Task YES",
        "finished": false,
        "id": 1
      },
      {
        "name": "Task NO",
        "finished": false,
        "id": 2
      }
    ]
  }
  </code></pre>
  
  <p>And some value </p>
  
  <pre><code>let someValue = 'Task NO';
  </code></pre>
  
  <p>How to check if there already value inside JSON?</p>