请帮助我进行简单的倒计时。我尝试使用本地存储来防止它在页面重新加载或刷新时重新启动,但我的代码不起作用。下面是我的代码:
var time = 100; // This is the time allowed
var saved_countdown = localStorage.getItem('saved_countdown');
if(saved_countdown == null) {
localStorage.setItem('saved_countdown', time);
} else {
time = saved_countdown;
}
var x = setInterval(() => {
var counter = time--;
document.getElementById("counti").innerHTML = counter + " s";
if (counter == 0) {
clearInterval(x);
localStorage.removeItem('saved_countdown');
document.getElementById("counti").innerHTML = "TIME EXPIRED";
}
}, 1000);