function debounce(fn,delay){
return function () {
clearTimeout()
const t = setTimeout(() => {
fn.call(this,arguments)
},delay)
}
}
let input1 = document.getElementById('debounce')
console.log(input1)
// input1.addEventListener('keyup',(e) => {
// console.log(e)
// })
<div>
防抖: <input id="debounce"></input> </br>
节流: <input id="trottle"></input>
</div>
#debounce {
}