SOURCE

const loopFunc=(callback,time)=>{
    let timer;
    const run=()=>{
        timer=setTimeout(()=>{
            callback();
            run()
        },time||3000);
    }
    run();
    return ()=>clearTimeout(timer)
}
let t=loopFunc(()=>console.log(new Date()),2000)

//销毁定时器 调用 t()
setTimeout(()=>{
           t()
        },6000);