window. onload= function () {
var local_val = localStorage.getItem("timer");
var i;
if(local_val)
i = local_val ;
else
i = 66;
var timer_elem = document.getElementById('timer');
var example_elem = document.getElementById('example');
var timer = setInterval(function () {
i--;
timer_elem .innerHTML = 'Осталось: ' + i;
localStorage.setItem("timer",i);
if (i == 0) {
example_elem.style.display = 'block';
timer_elem .style.display = 'none';
clearInterval(timer);
}
}, 1000)
}