Created
April 15, 2011 04:30
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クロスブラウザ用ゲッターセッター関数
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/** | |
* クロスブラウザ用ゲッターセッター関数 | |
* @param {Object} obj ゲッターセッターを設定したいオブジェクト | |
* @param {String} name ゲッターセッタープロパティ名 | |
* @param {Function} setter セッター関数 | |
* @param {Function} getter ゲッター関数 | |
*/ | |
var defineSetterGetter = function(obj, name, setter, getter) { | |
//__defineSetter__が未定義かつObject.definePropertyが有効な場合 | |
if (!Object.prototype.__defineSetter__ && Object.defineProperty({},"x",{get: function(){return true}}).x) { | |
Object.defineProperty(obj,name, { | |
set: setter, | |
get: getter | |
}); | |
} else if(Object.prototype.__defineSetter__) { | |
obj.__defineSetter__(name, setter); | |
obj.__defineGetter__(name, getter); | |
} | |
}; |
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