title: TypeError: $ is not a function - in firefox console
body: <p>Getting type "TypeError: $ is not a function" when the below code is entered in firefox console. I don't know any thing about java script. can anyone fix this. </p>
  
  <pre><code>setInterval(function(){ $('.reserve-btn').trigger('click'); console.log('Working.. Dont press any key until we add your phone to your cart.'); },10);
  </code></pre>