// 取自 UnderscoreJS 实用框架 function debounce(func, wait, immediate) { var timeout; return function() { var context = this, args = arguments; var later = function() { timeout = null; if (!immediate) func.apply(context, args); }; var callNow = immediate && !timeout; clearTimeout(timeout); timeout = setTimeout(later, wait); if (callNow) func.apply(context, args); }; } // 添加resize的回调函数,但是只允许它每300毫秒执行一次 window.addEventListener('resize', debounce(function(event) { // 这里写resize过程 }, 300));
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