JS的去抖、节流

//模拟一段ajax请求
function ajax(content) {
  console.log(‘ajax request ‘ + content)
}

function debounce(fun, delay) {
    return function (args) {
        let that = this
        let _args = args
        clearTimeout(fun.id)
        fun.id = setTimeout(function () {
            fun.call(that, _args)
        }, delay)
    }
}
    
let inputb = document.getElementById(‘debounce‘)

let debounceAjax = debounce(ajax, 500)

inputb.addEventListener(‘keyup‘, function (e) {
    debounceAjax(e.target.value)
})

function throttle(fun, delay) {
    let last, deferTimer
    return function (args) {
        let that = this
        let _args = arguments
        let now = +new Date()
        if (last && now < last + delay) {
            clearTimeout(deferTimer)
            deferTimer = setTimeout(function () {
                last = now
                fun.apply(that, _args)
            }, delay)
        }else {
            last = now
            fun.apply(that,_args)
        }
    }
}
let throttleAjax = throttle(ajax, 1000)
let inputc = document.getElementById(‘throttle‘)
inputc.addEventListener(‘keyup‘, function(e) {
    throttleAjax(e.target.value)
})