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function classA(sColor) {
this.color = sColor;
this.sayColor = function () {
alert(this.color);
};
}
function classB(sColor, sName) {
this.newMethod = classA;
this.newMethod(sColor);
delete this.newMethod; //ËùÓеÄÐÂÊôÐÔºÍз½·¨¶¼±ØÐëÔÚɾ³ý¸¸À๹Ô캯ÊýµÄ´úÂëÐкó¶¨Ò壬·ñÔò£¬¿ÉÄܻḲ¸Ç×ÓÀàµÄÏà¹ØÊôÐԺͷ½·¨
this.name = sName;
this.sayName = function () {
alert(this.name);
};
}
var objB = new classB("blue", "name");
objB.sayColor();//blue
objB.sayName();//name
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