27 lines
583 B
JavaScript
27 lines
583 B
JavaScript
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/*
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* @Descripttion:
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* @version:
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* @Author: qianlishi
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* @Date: 2021-12-11 14:48:27
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* @LastEditors: qianlishi
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* @LastEditTime: 2021-12-13 10:16:48
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*/
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/**
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* 函数节流
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*/
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export function _throttle(fn,delay){
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let timer
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let delay = delay || 1000; //一秒内触发一次
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return function(...args){
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const context = this
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let canExecute = !timer
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if(canExecute){
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fn.apply(context,args)
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}else{
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clearTimeout(timer)
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}
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timer = setTimeout(() => {
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timer = null
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}, delay);
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}
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}
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