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jcyicai avatar jcyicai commented on August 23, 2024 1
防抖:短时间内大量触发同一事件,只会执行一次函数
function debounce(fn, delay) {
    let timer = null
    return function () {
         if(!timer) return
         timer = setTimeout(fn, delay)
    }
}

节流:短时间内大量触发同一事件,那么函数执行后,函数在指定时间内不会再触发,等过了该时间才会重新生效。
function throttle(fn, delay) {
    let flag  = true
    return function() {
        if(!flag) return
        flag = false
        setTimout(function() {
            fn()
            flag = true
        }, delay)
    }
}

from front-end-learning-to-organize-notes.

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