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涓嬮潰鏄ず渚嬫簮浠ｇ爜錛?br />聽聽 <script>
聽聽聽 /**
聽聽聽聽聽聽 棣栧厛緇橭bject綾繪坊鍔犵戶鎵挎柟娉昬xtends,
聽聽聽聽聽聽 鍓嶄袱鍙ヨ搗緇ф壙鐖剁被鐨勪綔鐢紝浣垮緱璋冪敤鐨勫瓙綾昏兘澶熻幏寰楃埗綾葷殑鎵鏈夊睘鎬у拰鏂規(guī)硶
聽聽聽聽聽聽 鍚庝竴鍙ヤ繚瀛樺涓涓鐖剁被鐨勫紩鐢紝浠ヤ究鍦ㄩ渶瑕佺殑鏃跺欏彲浠ヨ皟鐢ㄧ埗綾葷殑鏂規(guī)硶
聽聽聽聽聽聽 濡傛灉涓嶉渶瑕佷嬌鐢ㄧ埗綾葷殑鏂規(guī)硶錛屾渶鍚庝竴鍙ュ彲浠ュ垹闄?br />聽聽聽聽聽聽聽鏂規(guī)硶鍚嶄笉鑳戒負extends錛屽洜涓篒E璁や負鏄叧閿瓧涓嶈鐢ㄧ伀鐙愪笅鏄彲浠ョ殑銆傚睘鎬uperClass涔熶笉鑳界敤super錛屼篃鏄叧閿瓧銆備笉鐒剁湅璧鋒潵灝辨洿鑸掓湇浜?閭ｅ氨澶儚java浜?銆?br />聽聽聽 */
聽聽聽 Object.prototype.extend = function(SuperClass){
聽聽聽聽聽 this.SuperClass=SuperClass;
聽聽聽聽聽 this.SuperClass();
聽聽聽聽聽 this.superClass=new SuperClass();
聽聽聽 }
聽聽聽//涓嬮潰鏄ず渚嬩唬鐮?br />聽聽聽 //澹版槑鐖剁被:絎竴涓柟娉晄how灝嗗緱鍒扮戶鎵匡紝絎簩涓柟娉曞皢琚鐩?br />聽聽聽 function SuperClass(){
聽聽聽聽聽 this.show=function(){
聽聽聽聽聽聽聽 alert('Call SuperClass.show()');
聽聽聽聽聽 }
聽聽聽聽聽 this.override=function(){
聽聽聽聽聽聽聽 alert('Call SuperClass.override() width "superClass.override()"');
聽聽聽聽聽 }
聽聽聽 }
聽聽聽 //澹版槑瀛愮被:緇ф壙鐖剁被錛屽悓鏃惰鐩栦簡鐖剁被鐨勬柟娉昽verride
聽聽聽 function SubClass(){
聽聽聽聽聽 //璋冪敤緇ф壙鏂規(guī)硶緇ф壙鐖剁被鐨勫睘鎬у拰鏂規(guī)硶
聽聽聽聽聽 this.extend(SuperClass);
聽聽聽聽聽 this.override=function(){
聽聽聽聽聽聽聽 alert('I have overrided SuperClass.override method.\nCall SubClass.override()');
聽聽聽聽聽 }
聽聽聽 }
聽聽聽 //嫻嬭瘯緇ф壙鐨勭粨鏋滐細
聽聽聽 var s=new SubClass();
聽聽聽 s.show(); //灝嗚皟鐢ㄧ埗綾葷殑鏂規(guī)硶
聽聽聽 s.override();//灝嗚皟鐢ㄥ瓙綾昏鐩栧悗鐨勬柟娉?br />聽聽聽 s.superClass.override();//灝嗚皟鐢ㄧ埗綾葷殑override鏂規(guī)硶
聽</script>
]]>