function聽Animal(age){
聽聽聽聽this.age聽=聽age;
}
Animal.prototype.sayAge聽=聽function(){
聽聽聽聽window.alert("My聽age聽is聽"+this.age+"!");
};
function聽Dog(age,name){
聽聽聽聽Animal.call(this,age);
聽聽聽聽this.name聽=聽name;
}
Dog.prototype聽=聽new聽Animal();
Dog.prototype.sayName聽=聽function(){
聽聽聽聽window.alert("I聽am聽a聽"+this.name+"!");
};
var聽dog聽=聽new聽Dog(15,"dog");
dog.sayName();
dog.sayAge();
聽聽聽 瀵逛簬綾籄nimal鏉ヨ錛屽畠鏈変竴涓瓧孌靛睘鎬ge鍙?qiáng)鍑芥暟灞炴?span style="color: rgb(0, 0, 0);">sayAge錛?/span>sayAge鏂規(guī)硶鐨勫畾涔夐噰鐢ㄧ殑鏄師鍨嬫柟寮忋侱og綾昏緇ф壙Animal錛屽叾瀛楁灞炴ч櫎浜哸ge澶栬繕鏈塶ame錛岄氳繃Animal.call(this,age);鍙互瀹炵幇Dog緇ф壙Animal鐨勫瓧孌靛睘鎬ge騫跺皢鍏跺垵濮嬪寲浜嗐俢all鏂規(guī)硶鐨勭涓涓弬鏁頒負(fù)緇ф壙鐨勭被鐨則his鎸囬拡錛岀浜屼釜鍙傛暟涓篈nimal綾葷殑鏋勯犲嚱鏁扮殑鍙傛暟銆傚疄闄呬笂錛屽彧鏄氳繃call鏂規(guī)硶灝卞彲浠ュ疄鐜扮戶鎵匡紝浣嗗敮涓鐨勮姹傛槸鐖剁被鐨勫嚱鏁板睘鎬ц鍦ㄦ瀯閫犲嚱鏁頒腑瀹氫箟錛岃繖瀵逛簬榪欓噷鐨勫嚱鏁板睘鎬т嬌鐢ㄥ師鍨嬫柟寮忓畾涔夋潵璇村氨涓嶉傚悎浜嗭紙閲囩敤鍘熷瀷鏂瑰紡瀹氫箟鍑芥暟灞炴ф瘮鍦ㄦ瀯閫犲嚱鏁板唴瀹氫箟鏇寸洿瑙備竴浜涳級銆傝鎯崇戶鎵緼nimal鐨勫師鍨嬫柟寮忓畾涔夌殑鍑芥暟灞炴э紝闇瑕佺殑璇彞灝辨槸鈥?/span>Dog.prototype聽=聽new聽Animal();鈥濄傝孌og綾諱腑鐨?/span>sayName()鍑芥暟鍒欐槸鍏惰嚜韜殑鍑芥暟灞炴т簡銆?br />聽聽聽 闄や簡榪欎釜鏈緇忓吀鐨勫疄鐜扮戶鎵跨殑鏂瑰紡澶栵紝鐩墠榪樻湁涓浜涘厤璐圭殑搴撳彲渚涗嬌鐢ㄣ備絾鎯沖埌褰㈠艦鑹茶壊鐨勫簱錛屽ご灝卞ぇ浜嗭紝鏈夋椂闂存湁蹇呰鏃跺啀鐮旂┒鍚э紒

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