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19 lines
426 B
JavaScript
19 lines
426 B
JavaScript
3 years ago
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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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var 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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