Is there a big difference between reference and primitive types of boolean, number etc.?
<p>I rad, that we can create numbers as: </p>

<blockquote>
  <p>var num = 10;</p>
</blockquote>

<p>and:</p>

<blockquote>
  <p>var num = new Number(10);</p>
</blockquote>

<p>may i use only first variation of declaration?</p>