鍦╰witter涓婄湅鍒颁竴绡囨瘮杈冨ソ鐨勬帹鑽愭枃绔狅紝鑷冲皯鎴戞劅瑙夊張瀛﹀埌浜嗕笢瑗匡紝鐗瑰埆鎷垮嚭鏉ョ炕璇戝拰鍒嗕韩涓涓嬨
鍘熸枃鍦板潃锛http://javascript.feederss.com/post/2442.html
濡傛灉浣犲仛杩囩敤鎴锋枃鏈鎻愪氦纭鐨勫姛鑳斤紝姣斿鐢ㄥ埌浜唎nkeypress锛岄偅涔堜綘鏄惁鎯宠繃瑕佸噺灏戜綘鐨勬娴嬪嚱鏁扮殑鎵ц娆℃暟锛熶妇涓渶绠鍗曠殑渚嬪瓙锛屾瘮濡備綘瑕佺‘璁や竴涓敤鎴峰悕鏄惁瀛樺湪锛岄偅涔堜綘鍙兘骞朵笉鎯虫瘡娆eypress閮芥墽琛宎jax寮傛妫娴嬶紝鍥犱负澶у鏁扮殑鏃跺欒緭鍏ヤ竴涓崟璇嶉渶瑕10鍒嗕箣涓绉掓垨鑰呮洿涔咃紝閭ｄ箞浣犲氨闇瑕佹帶鍒朵綘鐨刟jax璇锋眰鐨勯棿闅旓紝鑰屼笉鏄瘡娆ress涔嬪悗閮界珛鍒诲幓杩涜ajax璇锋眰锛岃嚦灏戣鍦ㄩ偅10浠戒箣涓绉掗挓璁╀綘鐨勬枃鏈澶勪簬浼戠湢鐘舵併
鎵浠ュ氨浼氫骇鐢熻繖涔堜竴涓濂囩殑绫讳技closure鐨勪竴绉峧avascript鏂规锛屼笅闈㈡槸鍒涘缓杩欎釜鏂规硶鐨勪竴涓畝鍗曠殑渚嬪瓙锛
function throttle(fn, delay) {
聽 var timer = null;
聽 return function () {
聽 聽 var context = this, args = arguments;
聽 聽 clearTimeout(timer);
聽 聽 timer = setTimeout(function () {
聽 聽 聽 fn.apply(context, args);
聽 聽 }, delay);
聽 };
}
濡傛灉浣犳槸鍦ㄧ敤jquery鏉ュ伐浣滅殑璇濓紝濡傛灉浣犺鍐欎竴涓猭eypress鐨勬娴嬶紝浣犲彲浠ュ儚涓嬮潰杩欐牱浣跨敤锛
$('input.username').keypress(throttle(function (event) {
聽 // do the Ajax request
}, 250));
杩欓噷鐨勫叧閿瘝鏄痶his鍜岄偅涓猘rgs锛宼his鍏跺疄灏辨槸浣犻鏈熺殑閭ｄ釜input锛岃宎rgs鏄紶鍏ョ殑event瀵硅薄锛岄氳繃杩欎釜鏂规硶浣犲氨鍙互鍑嗙‘鐨勬帶鍒朵綘鐨刟jax璇锋眰鏄痯ress涓娆＄殑涔嬪悗250姣杩囧悗鍐嶆瑙﹀彂浜嗐
澶ф灏辨槸杩欎箞涓绡囨枃绔狅紝浣嗘槸鎴戞壙璁や互鍓嶇‘瀹炴病鏈夋敞鎰忓埌杩囷紝鍏充簬閭ｄ釜throttle鍑芥暟锛屾垜鍦╢irebug閲屾娴嬩簡涓嬶紝閲岄潰鏈涓嶆槑鐧界殑鍏跺疄灏辨槸閭ｄ釜this鍜宎rgs銆傞氳繃鏂偣鎴戞娴嬪嚭鏉ヤ簡锛岃櫧鐒朵粬鏂囩珷鏈鍚庝篃鍛婅瘔浜嗐
鎭╋紝鏈鍚庡鏋滀綘涓嶇敤jquery鐨勮瘽锛屽師濮嬬殑js濡備綍浣跨敤杩欎釜鍑芥暟鍛紵
document.getElementById(‘page’).onclick=throttle(function(e){
alert(e);
alert(‘3000 later’);
},3000)
鎭┿傘傘傚氨鏄繖涔堢畝鍗曗︹_^
瀵逛簡 杩欎釜鏂囩珷鐨勪綔鑰呮尯NB鐨勶紝鎴戜篃鎺ㄨ崘璁㈤槄浠栫殑tw鍜宺ss鈥︹
