title: how to increase a number by 1 after random seconds using jquery?
body: <p>Is there any way to increase a number by 1 after random seconds.
  For example, the base value is 10. So it will change by 1 after a random seconds(ie. 1/2/3/4/5 seconds randomly).</p>
  <p>i have tried like this:</p>
  <pre><code>var startVal = 10;
  setInterval(function(){
      var theVal = startVal + 1; 
      startVal = theVal;
  }, Math.round(Math.random() * (6000 - 2000)) + 2000);
  </code></pre>
  <p>Number is increasing but the time is not random. Please help.</p>