<h3>floor() function</h3>
Rounds a number downwards.

<h4>Syntax</h4>
<code>floor(value)</code><br>

<h4>Arguments</h4>
<code>value</code> - a number.
<br>

<h4>Example</h4>
<!-- Show example of function.-->
<code>floor(4.9) &rarr; 4</code><br>
<code>floor(-4.9) &rarr; -5</code><br>
