title: How to set one minute counter in javascript?
body: <p>In my project ,I have list of questions, for every question have three option answers.</p>
  
  <p>After see the question  if i want answer that question means click "show answer" button .
  when I click button ,counter starts for one minute after one minute error will show .</p>
  
  <p>can any one help ?</p>