setInterval在特定的时间内重复执行某个任务。用clearInterval来执行任务的终止。
const callback = () =>
console.log("Executing callback");
const intervalID = setInterval(callback, 200);
setTimeout(() => {
clearInterval(intervalID);
console.log("setInterval() was cleared");
},1000);
展开/折叠结果
5 Executing callback
setInterval() was cleared
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