Difference between == and === in JS
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  <p><strong>Possible Duplicates:</strong><br>
  <a href="http://stackoverflow.com/questions/523643/difference-between-and-in-javascript">Difference between == and === in JavaScript</a><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>  </p>
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<p>What's the difference between <code>==</code> and <code>===</code>? Also between <code>!==</code> and <code>!==</code>?</p>
