title: How to execute a function after some time
body: <p>I want to write a javascript code where I can execute a function after exactly 30 minutes.</p>
  
  <p>say I have a function called <code>getScore</code> and another function called <code>getResult</code>. I want those functions to be executed after exactly thirty minutes.</p>
  
  <p>It's for a quiz purpose, the quiz duration is thirty minutes, so after the time passes, both functions should be executed.</p>