能暂停,但想不通如何继续,如何点击之后续着之前的值打印下去
btn.onclick = function () {
if (this.innerText === "暂停") {
clearInterval(id);
this.innerText = "继续";
} else {
this.innerText = "暂停";
}
var num = 1;
var id = setInterval(
function () {
console.log(num);
num++;
if (num === 101) {
clearInterval(id);
}
}, 1000
)
}