title: Comma separated value (1,2,3,4) or (1,false) always gives the last element in javascript?
body: <p>I could not understand what javascript is doing for the below string. </p>
  
  <pre><code>console.log((1,2,3,4)); //print 4
  console.log((1,false)); //print false
  </code></pre>
  
  <p>Don't know in which scenario i can use it.</p>