Usage of localstorage

localstorage

$('.buttonClass').click(fucntion(event){
  var id = $(this).data('id');
  if(isNotAlreadyClicked(id))
    doSomething();
  else doDifferentThing();  
});


fucntion isNotAlreadeyClicked(id){
  if(window.localstorage[id] === true)
    return false;
  else true;
}