title: how to add 10 to a variable inside a jquery function
body: <p>I want to make a loadmore button and i everytime i click the load button the var start will be added by 10 each coicks. It works but it only gets the first 10 data. I want it to add 10 each clicks.## Help ## j added a plus 10 but it dont add 10.</p>
  
  <pre><code>$("btn").click(function(){
  var start = 10;
  start + 10;
  });
  </code></pre>