title: what is the difference between != and !== in Javascript?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/359494/javascript-vs-does-it-matter-which-equal-operator-i-use">Javascript === vs == : Does it matter which &ldquo;equal&rdquo; operator I use?</a>  </p>
  </blockquote>
  
  
  
  <p>Are <code>!=</code> and <code>!==</code> are respectively the same as <code>==</code> and <code>===</code>?</p>