实现节流函数throttle

// 第四版 function throttle(func, wait, options) { var timeout, context, args, result; var previous = 0; if (!options) options = {}; var later = function() { previous = options.leading === false ? 0 : new Date().getTime(); timeout = null; func.apply(context, args); if (!timeout) context = args = null; }; var throttled = function() { var now = new Date().getTime(); if (!previous && options.leading === false) previous =

学习 · 2021-11-30
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