概念：延時(shí)一段時(shí)間執(zhí)行某個(gè)動(dòng)作，當(dāng)在這段時(shí)間內(nèi)再被觸發(fā)時(shí)，清除掉之前的計(jì)時(shí)重試計(jì)時(shí)。 eg. 輸入框搜索，就應(yīng)該用防抖，當(dāng)我連續(xù)不斷輸入時(shí)，不會(huì)...
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