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