title: Truncate number to two decimal places without rounding
body: <p>Suppose I have a value of 15.7784514, I want to display it 15.77 with no rounding.</p>
  
  <pre><code>var num = parseFloat(15.7784514);
  document.write(num.toFixed(1)+"&lt;br /&gt;");
  document.write(num.toFixed(2)+"&lt;br /&gt;");
  document.write(num.toFixed(3)+"&lt;br /&gt;");
  document.write(num.toFixed(10));
  </code></pre>
  
  <p>Results in -</p>
  
  <pre><code>15.8
  15.78
  15.778
  15.7784514000 
  </code></pre>
  
  <p>How do I display 15.77?</p>