SOURCE

// 节流  throttle
const fn = (x,y)=>{
    console.log(x+y)
}
// const throttle = (fn,time)=>{
//     let frezzle = null
//     return (...agrs)=>{
//        if(frezzle){return}
//        fn.call(null,...agrs)
//        frezzle = true
//        setTimeout(()=>{
//           frezzle  = null 
//        },time) 
//     }
// }

// debounce  
const debounce = (fn,time)=>{
     let timer = null
    return (...agrs)=>{
      if(timer){clearTimeout(timer)}
      timer = setTimeout(()=>{
          fn.call(undefined,...agrs)
          timer= null
      },time)
    }
}

//  const a = throttle(fn,3000)
 const a = debounce(fn,3000)

 a('小方',100)