how to change the array [1,2,3,4] to [1,3,4]
<p>any simply way ?</p>

<p>this is my code:</p>

<pre><code>var a=[1,2,3,4]
        a.slice(0,1)
        alert( a)
</code></pre>

<p>and it print [1,2,3,4]</p>

<p>thanks</p>
