防抖=> 将多次操作变成一次
let telInput = document.querySelector('input')
telInput.addEventListener('input',antiShake(demo,2000))
#防抖封装
function antiShake(fn,wait){
let timeOut = null ;
return arges =>{
if(timeOut) cleatTimeout(timeOut)
timeOut = setTimeout(fn,wait)
}
}
function demo(){
console.log('发起请求')
}
节流
let box = document.querySelector('.box')
telInput.addEventListener('touchmove',throttle(demo,2000))
function throttle(event,time){
let timer = null;
return function(){
if(!timer){
timer = setTimeout(()=>{
event()
timer = null
},time)
}
}
}
function demo(){
console.log('发起请求')
}
