Javascript Comparison Operators != vs !==
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://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><br>
  <a href="http://stackoverflow.com/questions/523643/difference-between-and-in-javascript">Difference between == and === in JavaScript</a>  </p>
</blockquote>



<p>I have two variables to compare.</p>

<p>Result should not be equal, in which condition i need to use !=  and  !== ?</p>

<p>because when i use both operator it is working properly, but i need to know exactly what is the difference. </p>
