实现防抖函数debounce

function debounce(func, wait, immediate) { var timeout, result; var debounced = function () { var context = this; var args = arguments; if (timeout) clearTimeout(timeout); if (immediate) { // 如果已经执行过，不再执行 var callNow = !timeout; timeout = setTimeout(function(){ timeout = null; }, wait) if (callNow) result = func.apply(context, args) } else { timeout = setTimeout(function(){ result = func.apply(cont

学习 · 2021-11-30
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