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褰撶劧瀹冨悓鏍蜂篃鏈変竴浜涚己鐐癸紝姣斿瀹夊叏鍜岄殣绉佹柟闈㈠彲鑳芥帶鍒剁殑涓嶆槸閭ｄ箞濂斤紝瀹冪殑瀛樺偍鏄槑鏂囩殑骞舵湭缁忚繃鍔犲瘑锛屽彲浠ユ瘮杈冨鏄撶殑鑾峰彇瀛樺偍鐨勪俊鎭€?/p>

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聽聽聽聽聽聽 鏃犺濡備綍锛孌OM Storage鎵€鍏锋湁鐨勭壒鎬ч兘鏄浜哄崄鍒嗘尟濂嬬殑銆備絾鏄紙鎬讳細鏈変絾鏄級锛岃櫧鐒剁洰鍓嶇殑鍚勪釜娴忚鍣ㄧ殑鏂扮増鏈兘鏀寔杩欎竴鐗规€э紝IE6鍜孖E7浠嶇劧涓嶆敮鎸侊紝IE8宸叉敮鎸併€備笉瑕佹伯涓э紝铏界劧IE6鏄釜璁╀汉铔嬬柤鐨勬祻瑙堝櫒锛屼絾鏄€冭檻涓€涓嬪畠鐨勫嚭鐢熸棩鏈熶綘浼氳寰楀畠宸茬粡寰堢濂囦簡銆侷E6涓彲浠ラ€氳繃userData Behavior鏉ュ疄鐜扮被浼肩殑鑳藉姏銆傚綋鐒堕檺鍒跺浜嗕竴浜涳紝鍥犵壒缃戠殑瀛樺偍绌洪棿鍙湁1MB宸﹀彸锛屼笉杩囨湁鎬绘瘮娌℃湁寮恒€?/p>

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涓嬮潰浠嬬粛涓€涓婦OM Storage鐨勪竴浜涚啛鎮夊拰鏂规硶銆侱OM Storage鍖呮嫭涓ょ瀵硅薄锛歴essionStorage鍜宭ocalStorage锛?/p>

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sessionStorage瀵硅薄锛氬湪涓€涓〉闈細璇濇湁鏁堟湡鍐呭彲浠ヤ娇鐢ㄧ殑瀛樺偍瀵硅薄銆?/p>

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localStorage瀵硅薄锛氬彲浠ヨ法澶氫釜绐楀彛锛屽涓細璇濓紝涔熷彲浠ヤ负鍩熸彁渚涙寔涔呮€у瓨鍌ㄣ€?/p>

姣?涓煙鍜屽瓙鍩熼兘鍏锋湁鑷繁鍗曠嫭鐨勬湰鍦板瓨鍌ㄥ尯鍩熴€?鍩熷彲浠ヨ闂瓙鍩熺殑瀛樺偍鍖哄煙锛岃€屽瓙鍩熶篃鍙互璁块棶鐖跺煙鐨勫瓨鍌ㄥ尯鍩熴€?渚嬪锛?localStorage['example.com'] 鍙敱 example.com 鍙婂叾浠讳綍瀛愬煙璁块棶銆?瀛愬煙

localStorage['www.example.com'] 鍙敱 example.com 璁块棶锛屼絾涓嶈兘鐢卞叾浠栧瓙鍩熻闂紝濡?mail.example.com銆?/p>

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Storage瀵硅薄鐨勫睘鎬у拰鏂规硶锛?/p>

clear 鏂规硶锛氫粠 DOM 瀛樺偍鍖哄煙涓Щ闄ゆ墍鏈夐敭/鍊煎銆?/p>

constructor 灞炴€э細杩斿洖瀵瑰璞＄殑鏋勯€犲嚱鏁扮殑寮曠敤銆?/p>

getItem 鏂规硶锛氭绱笌 DOM 瀛樺偍閿叧鑱旂殑褰撳墠鍊笺€?/p>

key 鏂规硶锛氭绱㈤泦鍚堜腑鎸囧畾绱㈠紩澶勭殑閿€?/p>

length 灞炴€э細妫€绱㈤敭/鍊煎垪琛ㄧ殑闀垮害銆?/p>

remainingSpace 灞炴€э細妫€绱㈠彲鐢ㄤ簬瀛樺偍瀵硅薄鐨勫墿浣欏唴瀛樼┖闂?/p>

removeItem 鏂规硶锛氫粠 DOM 瀛樺偍闆嗗悎涓垹闄ら敭/鍊煎銆?/p>

setItem 鏂规硶锛氳缃敭/鍊煎銆?/p>

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IE6鍜孖E7涓嬫槸閫氳繃userData Behavior鏄疄鐜扮殑锛屽畠闇€瑕佺敤鍒癰ehavior杩欎釜IE涓嬬鏈夌殑灞炴€с€傚畠鏈変竴涓嬪睘鎬у拰鏂规硶锛?/p>

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expires 灞炴€?/p>

XMLDocument 灞炴€?/p>

getAttribute 鏂规硶

load 鏂规硶

removeAttribute 鏂规硶

save 鏂规硶

setAttribute 鏂规硶

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鎵嬪唽浠嬬粛鐨勫樊涓嶅浜嗭紝鍏夋槸缃楀垪杩欎簺鎵嬪唽娌″暐鐢ㄥ锛屼负浜嗘柟渚夸娇鐢ㄦ垜杩欓噷灏佽浜嗕竴涓璞＄敤浜巐ocalStorage鐨勫瓨鍙栵紝璁╄繖涓璞″湪淇濇寔鍏煎鐨勫悓鏃朵娇鐢ㄨ捣鏉ヤ篃鑳藉鏇村姞鏂逛究銆?/p>

搴熻瘽涓嶅璇达紝涓?span style="background-color: #ff0000;">浠ｇ爜(?????????????)锛?/p>

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(function(w){
	var isSupportLocalStorage =!!window.localStroage, isSupportBehavior = false;
	if(!isSupportLocalStorage){
		var dataObj = document.createElement('input'); 
		dataObj.type='hidden'; 
		document.body.appendChild(dataObj); 
		isSupportBehavior =!! dataObj.addBehavior; 
		isSupportBehavior && dataObj.addBehavior('#default#userData'); 
	}
	var configs ={ storeName:'editorContent'};
	w.storage={ 
		retrieve:function(name){
			if(!isSupportLocalStorage && isSupportBehavior){ 
				dataObj.load(configs.storeName);
				return dataObj.getAttribute(name);
			}else{
				return w.localStorage.getItem(name);
			}
			return null;
		}, 
		save:function(name, value){
			if(!isSupportLocalStorage && isSupportBehavior){
				dataObj.setAttribute(name, value); 
				dataObj.save(configs.storeName);
				return true;
			}else{ 
				w.localStorage.setItem(name, value);
				return true;
			}
			return false;
		}
	};
})(window);