console 命令行工具 X clear

console

let input = document.querySelector('input')


function _myDebounce(fn,delay){
    let timer = null
    let debounce = ()=>{
    if(timer) clearTimeout(timer)
    timer = setTimeout(()=>{
         fn()
        timer = null
     },delay)
    }
     return debounce
}

let inp =  function (){
console.log(input.value)
}

input.oninput = _myDebounce(inp,500)

<h1>你好</h1>
<input type="text">