📅  最后修改于: 2022-03-11 15:03:37.332000             🧑  作者: Mango
var seconds = 0;
var el = document.getElementById('seconds-counter');
function incrementSeconds() {
seconds += 1;
el.innerText = "You have been here for " + seconds + " seconds.";
}
var cancel = setInterval(incrementSeconds, 1000);