锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲色婷婷一区二区三区,亚洲免费观看视频,国产精品亚洲专区无码牛牛 http://www.tkk7.com/ylqy/category/20071.html闅忛椋橀浂 zh-cn Wed, 28 Feb 2007 03:18:06 GMT Wed, 28 Feb 2007 03:18:06 GMT 60 綾葷殑鍒濆鍖栭棶棰?/title> http://www.tkk7.com/ylqy/articles/100405.html楸奸鎵?/dc:creator>楸奸鎵?/author>Fri, 23 Feb 2007 05:23:00 GMT http://www.tkk7.com/ylqy/articles/100405.html http://www.tkk7.com/ylqy/comments/100405.html http://www.tkk7.com/ylqy/articles/100405.html#Feedback 0 http://www.tkk7.com/ylqy/comments/commentRss/100405.html http://www.tkk7.com/ylqy/services/trackbacks/100405.html public class Test2 extends Test1 { 聽聽聽 { 聽聽聽聽聽聽聽 System.out.print("1"); 聽聽聽 }
聽聽聽 Test2() { 聽聽聽聽聽聽聽 System.out.print("2"); 聽聽聽 }
聽聽聽 static { 聽聽聽聽聽聽聽 System.out.print("3"); 聽聽聽 }
聽聽聽 { 聽聽聽聽聽聽聽 System.out.print("4"); 聽聽聽 }
聽聽聽 public static void main(String[] args) { 聽聽聽聽聽聽聽 new Test2(); 聽聽聽 } }
class Test1 { 聽聽聽 { 聽聽聽聽聽聽聽 System.out.print("7"); 聽聽聽 }
聽聽聽 Test1() { 聽聽聽聽聽聽聽 System.out.print("5"); 聽聽聽 }
聽聽聽 static { 聽聽聽聽聽聽聽 System.out.print("6"); 聽聽聽 } }
紼嬪簭鎵ц緇撴灉錛?375142 璋冪敤欏哄簭錛?br />1銆佸厛瀵圭被榪涜鍔犺澆錛氬垵濮嬪寲闈欐佸彉閲忥紝鍏堝垵濮嬪寲鐖剁被鐨勯潤鎬佸彉閲忥紝鐒跺悗鎵嶆槸瀛愮被鐨勯潤鎬佸彉閲忥紱 2銆佸綾昏繘琛屽垵濮嬪寲錛氬湪瀛愮被鍒濆鍖栦互鍓嶏紝鍏堣繘琛岀埗綾葷殑鍒濆鍖栵紝浠ュ強鐖剁被鏋勯犲櫒鐨勮皟鐢紱 3銆佹渶鍚庡垵濮嬪寲瀛愮被錛岃皟鐢ㄥ瓙綾繪瀯閫犳柟娉曪紱
鍦ㄤ腑鏂嘥IJ涓紝鏇劇粡璇撮亾鐖剁被鐨勬瀯閫犳柟娉曞湪瀛愮被鐨勬瀯閫犳柟娉曚箣鍓嶆墽琛岋紝榪欐牱璇磋櫧鐒朵笉鏄敊璇殑錛屼絾鏄槸涓?/p>
瀹屽杽鐨勶紝搴旇鏄埗綾葷殑鏋勯犳柟娉曞湪瀛愮被鍒濆鍖栦箣鍓嶅氨宸茬粡鎵ц浜嗐?/p>
]]>Java涓璼tatic銆乼his銆乻uper銆乫inal鐢ㄦ硶綆璋?涓) http://www.tkk7.com/ylqy/articles/99884.html楸奸鎵?/dc:creator>楸奸鎵?/author>Wed, 14 Feb 2007 14:59:00 GMT http://www.tkk7.com/ylqy/articles/99884.html http://www.tkk7.com/ylqy/comments/99884.html http://www.tkk7.com/ylqy/articles/99884.html#Feedback 0 http://www.tkk7.com/ylqy/comments/commentRss/99884.html http://www.tkk7.com/ylqy/services/trackbacks/99884.html 闃呰鍏ㄦ枃 ]]> 鐢辨祬鍏ユ繁Javascript綾?/title> http://www.tkk7.com/ylqy/articles/99881.html楸奸鎵?/dc:creator>楸奸鎵?/author>Wed, 14 Feb 2007 14:48:00 GMT http://www.tkk7.com/ylqy/articles/99881.html http://www.tkk7.com/ylqy/comments/99881.html http://www.tkk7.com/ylqy/articles/99881.html#Feedback 0 http://www.tkk7.com/ylqy/comments/commentRss/99881.html http://www.tkk7.com/ylqy/services/trackbacks/99881.html 綾繪槸浠涔堬紵 顥ヮ棩璁稿鍒氭帴瑙︾紪紼嬬殑鏈嬪弸閮藉彲鑳界悊瑙d笉浜嗙被錛屽叾瀹炵被鏄鎴戜滑榪欎釜鐜板疄涓栫晫鐨勬ā鎷燂紝鎶婂畠璇存垚 鈥滅被鍒濇垨鑰呪滅被鍨嬧濆彲鑳戒細鏇村鏄撶悊瑙d竴浜涖傛瘮濡傗滀漢鈥濊繖縐嶅姩鐗╁氨鏄竴涓被錛岃屽叿浣撴煇涓涓漢灝辨槸鈥滀漢鈥濊繖涓被鐨勪竴涓疄渚嬶紝鈥滀漢鈥濆彲浠ユ湁璁稿瀹炰緥錛堝湴鐞冧漢瓚呰繃鍏崄浜夸簡錛夛紝浣嗏滀漢鈥濊繖涓被鍙湁涓涓備綘鎴栬浼氳閭g敺浜哄拰濂充漢涓嶄篃鏄漢涔堬紵鎬庝箞鍙兘鏈変竴涓紵鍏跺疄榪欓噷瑕佽皥鍒頒竴涓戶鎵跨殑涓滆タ錛屽悗杈規(guī)墠璁詫紝璇風(fēng)戶緇湅涓嬪幓銆?br />濡備綍寤虹珛涓涓被錛?/strong> 顥ヮ棩鍦–++涓槸浠lass鏉ュ0鏄庝竴涓被鐨勶紝JavaScript涓嶤++涓嶅悓錛屽畠浣跨敤浜嗕笌鍑芥暟涓鏍風(fēng)殑function鏉ュ0鏄庯紝榪欏氨璁╄澶氬Jscript 鐨勬湅鍙嬫妸綾諱笌鍑芥暟娣峰湪涓璧蜂簡錛屽湪Jscript涓嚱鏁頒笌綾葷‘瀹炴湁浜涙販錛屼絾浣跨敤涔呬簡鑷劧鑰岀劧浼氱悊瑙o紝榪欑瘒鏂囩珷鏄拡瀵規(guī)兂榪涙敾闈㈠悜瀵硅薄緙栫▼鐨勬湅鍙嬭屽啓錛屽氨涓嶆墦綆椾竴涓嬪瓙璁ㄨ寰楀お娣變簡銆?br />璇風(fēng)湅涓嬭竟榪欎釜綾葷殑瀹氫箟錛?br /> 紼嬪簭浠g爜
function WuYouUser() { this.Name; //鍚嶅瓧 } 顥ヮ棩涓婅竟鐨勪唬鐮佸畾涔変簡涓涓猈uYouUser錛堟棤蹇х敤鎴鳳級綾伙紝瀹冩湁涓睘鎬э細Name錛堝悕瀛楋級銆侼ame灝辨槸WuYouUser綾葷殑涓涓睘鎬с?br />顥ヮ棩涓涓被鏈夊浐瀹氱殑灞炴э紝浣嗙被鐨勫疄渚嬪嵈鏈変笉鍚岀殑灞炴у鹼紝灝卞儚鎴戞槸灞炰簬鈥滀漢鈥濊繖涓被鐨勶紝鎬у埆鏄敺錛岃屾垜鏈変竴涓コ鍚屽錛屽ス涔熷睘浜庘滀漢鈥濈被錛屼絾濂圭殑鎬у埆灞炴у煎嵈涓哄コ銆?br />閭d箞濡備綍澹版槑鏌愪釜綾葷殑涓涓疄渚嬪憿錛熼潪甯哥畝鍗曪細
紼嬪簭浠g爜
var Wo = new WuYouUser(); //瀹炰緥涓錛氣滄垜鈥?br />var Biyuan = new WuYouUser(); //瀹炰緥浜岋細鈥滅ⅶ鍘熲濓紙Biyuan鍝ワ紝涓嶅ソ鎰忔濄傘傘傚樋鍢匡級
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>綾葷殑灞炴?/strong> 榪欎釜Wo錛堟垜錛夊氨鏄疻uYouUser綾葷殑涓涓疄渚嬶紝瀹冩嫢鏈塛uYouUser緇欏畠鐨勪竴鍒囷細Name灞炴с丼ex灞炴т互鍙夾ge灞炴э紝鎴戜滑鍙互榪欐牱瀛愭潵璁劇疆瀹冪殑灞炴э細 紼嬪簭浠g爜
Wo.Name = "娉g孩浜?;
寰堢畝鍗曟槸涓嶆槸錛熻瘯鐫榪愯 紼嬪簭浠g爜
window.document.write(Wo.Name);
鐪嬬湅錛屾槸涓嶆槸杈撳嚭浜嗘垜鐨勫悕瀛楋細娉g孩浜紵 鍚屾牱璁劇疆涓涓嬬ⅶ鍘熷厔鐨勫睘鎬?br /> 紼嬪簭浠g爜
Biyuan.Name = "紕у師";
榪愯 紼嬪簭浠g爜
window.document.write(Biyuan.Name);
鍙互鐪嬪埌杈撳嚭浜?紕у師"錛屼篃灝辮鏄庝簡Biyuan涓嶹o鍚屾牱鏄疻uYouUser綾葷殑瀹炰緥錛屼絾鍗存槸涓嶅悓鐨勫疄浣擄紝鍏鋒湁涓嶅悓鐨勫睘鎬у箋?br /> 灞炴ф槸鍙互璁劇疆榛樿鍊肩殑錛屾棤蹇ч噷閮芥湁璁板綍澶у鍚勮嚜鍙戜簡澶氬皯璐村瓙錛屾垜浠篃鍚屾牱緇橶uYouUser綾繪坊鍔犱竴涓彂璐存暟閲忕殑灞炴rticleCount 紼嬪簭浠g爜
function WuYouUser() { this.Name; this.ArticleCount = 0; } 涓涓棤蹇ф柊鐢ㄦ埛鍒氭敞鍐屽畬涔嬪悗浠栫殑鍙戣創(chuàng)鏁伴噺涓?錛屽湪涓婅竟鐨勪唬鐮佷腑鍙互鐪嬪埌鐩存帴緇欏睘鎬rticleCount璁劇疆鍊間負0銆?br /> 鍙互榪愯涓涓嬭繖鏍風(fēng)殑浠g爜錛?br />
紼嬪簭浠g爜
var Wo = new WuYouUser(); window.document.write(Wo.ArticleCount);
鍙互鐪嬪埌杈撳嚭浜?錛岃鏄嶢rticleCount灞炴ц鎴戜滑鎴愬姛璁劇疆榛樿鍊間負0 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>綾葷殑鏂規(guī)硶 鏂規(guī)硶榪欎釜璇嶄笉澶уソ鐞嗚В錛屾垜瑙夊緱璇存垚琛屼負浼氭洿瀹規(guī)槗鐞嗚В銆備竴涓漢鍏鋒湁璁稿鍏卞悓鐨勮涓猴紝姣斿鐫¤銆佸悆楗佽蛋璺瓑絳夛紝鐜板湪鎴戜滑緇橶uYouUser綾繪坊鍔犱竴涓彂璐寸殑鏂規(guī)硶銆?br /> 紼嬪簭浠g爜
function WuYouUser() { this.Name; this.ArticleCount = 0; this.NewArticle = function() { /* * * 鍏蜂綋濡備綍鍙戣創(chuàng)鎴戜滑澶у閮界煡閬擄紝涓嶅氨鏄墦鎵撳瓧錛屽姞鍔犲浘鐗囧啀鎸変竴涓嬩繚瀛樹箣綾葷殑鎸夐挳涔堬紵 * 鍏充簬鍏蜂綋濡備綍鍙戣創(chuàng)鐨勪唬鐮佹病鏈夊繀瑕佸湪榪欓噷鍐欏嚭鏉ワ紝鎴戜滑瑕佷簡瑙g殑浠呬粎鏄柟娉曠殑瀹氫箟涓庝嬌鐢?br />* 鎴戜滑鍦ㄨ繖閲屽疄鐜頒竴涓渶綆鍗曠殑鍔熻兘錛屼篃鏄緢閲嶈鐨勫姛鑳斤細緇欐垜浠殑鍙戣創(chuàng)鏁伴噺鍔犱笂1錛?br />* 娉ㄦ剰錛氭亹榫欑瓑綰у氨鏄繖鏍峰姞鍑烘潵鐨勶紝鍥犳鍛鈥︹﹀ぇ瀹剁媯鍙戣創(chuàng)鍚с傘傘?br />*/ this.ArticleCount++; } }
鏃㈢劧瀹氫箟濂戒簡榪欎釜鏂規(guī)硶錛屾垜浠潵璇曡瘯鏁堟灉濡備綍錛?br /> 紼嬪簭浠g爜
var Wo = new WuYouUser(); Wo.NewArticle(); document.write(Wo.ArticleCount);
鍙互鐪嬪埌杈撳嚭浜?錛岃鏄庢垜浠彂璐存垚鍔熶簡錛佺湡鏄湁鍘嗗彶綰康鎰忎箟鐨勪竴鍒伙紝紱繪亹榫欑瓑綰у張榪戜竴姝ヤ簡銆?br /> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>闈欐佸睘鎬?/strong> 闈欐佸睘鎬у張縐板叕鍏卞睘鎬э紝瀹冧笉灞炰簬鏌愪釜綾葷殑瀹炰緥錛岃屾槸鐩存帴灞炰簬鏌愪釜綾匯?br /> 姣斿璇存棤蹇х敤鎴鋒湁涓涓睘鎬э細娉ㄥ唽鐢ㄦ埛鐨勬暟閲忥紝瀹冩槸灞炰簬鏁翠釜鏃犲咖鐢ㄦ埛鐨勶紝鑰屼笉鏄睘浜庢常綰涵鎴栬呰皝鐨?br />闈欐佸睘鎬х殑澹版槑鏂規(guī)硶鏄細 綾誨悕.prototype.灞炴у悕 = 灞炴у? 姣斿緇橶uYouUser綾誨畾涔変竴涓敞鍐岀敤鎴風(fēng)殑鏁伴噺Count錛?br /> 紼嬪簭浠g爜
WuYouUser.prototype.Count = 0;
閭d箞濡備綍璇誨彇瀹冨憿錛熸湁涓ょ鏂規(guī)硶錛?br /> 1. 鐩存帴鐢?WuYouUser.prototype.Count 2. 浣跨敤Wo.Count 榪欎袱鑰呮病鏈夊尯鍒紝閮芥槸寰楀埌0 铏界劧璇誨彇鏂規(guī)硶鍙互鏈変袱縐嶏紝浣嗗湪鏀瑰彉瀹冪殑鏃跺欏嵈寰楃壒鍒皬蹇冧簡錛岃鐪嬩笅杈逛唬鐮?br /> 紼嬪簭浠g爜
var Biyuan = new WuYouUser(); WuYouUser.prototype.Count++; document.write(Wo.Count); document.write(Biyuan.Count);
浣犱細鍙戠幇涓よ呯殑Count灞炴ч兘鏄?錛屼篃灝辨槸璇碬uYouUser.prototype.Count鏀瑰彉浜嗕細褰卞搷鍒板悇涓疄渚嬬殑鐩稿簲灞炴э紝鍏跺疄鍘熺悊灝辨槸Wo銆丅iyuan鐨凜ount灞炴т笌WuYouUser.prototype.Count鏍規(guī)湰灝辨槸鍚屼竴涓紒 鐜板湪鏉ョ湅鍙﹀涓孌典唬鐮侊細 紼嬪簭浠g爜
var Biyuan = new WuYouUser(); Biyuan.Count++; //鐗瑰埆娉ㄦ剰涓涓嬭繖閲岋紝榪欐槸鐩存帴鏀瑰彉Biyuan鐨凜ount灞炴?br />document.write(Biyuan.Count); // 杈撳嚭 1 document.write(WuYouUser.prototype.Count); //杈撳嚭 0 document.write(Wo.Count); //鍚屾牱杈撳嚭0錛屼負浠涔堬紵
顥ヮ棩鍙互鐪嬪埌濡傛灉鐩存帴淇敼瀹炰緥鐨勯潤鎬佸睘鎬у鹼紝閭d箞浼氬嚭鐜板叾瀹冨疄渚嬬敋鑷崇被鐨勯潤鎬佸睘鎬т笌瀹冧笉鍚屾浜嗭紵榪欐槸鍥犱負鐩存帴淇敼鐨勬椂鍊欙紝璇ュ疄渚嬩細鐢熸垚涓涓睘浜庤瀹炰緥鐨勫睘鎬?Count錛岃繖涓椂鍊橞iyuan.Count涓嶅啀涓嶹uYouUser.prototype.Count鏄悓涓涓簡錛屼篃涓嶄笌Wo.Count鏄悓涓涓紝榪欎釜Count灞炴ф槸灞炰簬Biyuan鑷繁鎵鏈夌殑錛屼互鍚庢敼鍙樹簡瀹冧篃鍙槸褰卞搷瀹冭嚜宸辮屽凡銆?br /> 顥ヮ棩鍥犳濡傛灉涓嶆槸鐗瑰埆鐨勯渶瑕侊紝寤鴻涓嶇鍦ㄨ鍙栬繕鏄祴鍊肩殑鏃跺欙紝閮界粺涓浣跨敤WuYouUser.prototype.Count榪欐牱鐨勬柟寮忥紝浠ュ仛鍒頒竾鏃犱竴澶憋紒 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>闈欐佹柟娉?/strong> 涓庨潤鎬佸睘鎬х浉浼鹼紝瀹冧篃鏈変釜鍙︾О錛氬叕鍏辨柟娉曪紝鍚屾牱灞炰簬綾繪湰韜殑銆?br /> 闈欐佹柟娉曠殑瀹氫箟鏂瑰紡鏄細 紼嬪簭浠g爜
綾誨悕.鏂規(guī)硶鍚?= function(鍙傛暟1,鍙傛暟2...鍙傛暟n) { //鏂規(guī)硶浠g爜 }
鎴戜滑鐜板湪灝辨潵瀹氫箟涓涓棤蹇х敤鎴風(fēng)被鐨勬敞鍐屾柊鐢ㄦ埛闈欐佹柟娉曪細 紼嬪簭浠g爜
WuYouUser.prototype.AddOne = function() { //*** 鍚屾牱鍏蜂綋浠g爜涓嶅啓鍑烘潵錛岀粰闈欐佸睘鎬ount澧炲姞1錛岃〃紺烘敞鍐岀敤鎴鋒暟閲忓張澶氫竴涓?br />WuYouUser.prototype.Count++; }
鐜板湪鎴戜滑鏉ョ湅鐪嬪浣曠敤瀹冿紝鍚屾牱鏈変袱縐嶆柟娉曪細 1.鐩存帴浣跨敤WuYouUser.prototype.AddOne() 2.浣跨敤鏌愬疄渚嬬殑AddOne() 榪欎袱縐嶆柟娉曟病鏈変粈涔堜笉鍚岋細 紼嬪簭浠g爜
var Wo = new WuYouUser(); var Biyuan = new WuYouUser(); document.write(WuYouUser.prototype.Count); // 0 Wo.AddOne(); document.write(WuYouUser.prototype.Count); // 1 document.write(Wo.Count); // 1 document.write(Biyuan.Count); // 1 WuYouUser.prototype.AddOne(); document.write(WuYouUser.prototype.Count); // 2 document.write(Wo.Count); // 2 document.write(Biyuan.Count); // 2
鍙互鐪嬪嚭涓嶇鏄嬌鐢╓o.AddOne()榪樻槸WuYouUser.prototype.AddOne()鏁堟灉閮芥槸涓鏍風(fēng)殑錛岄兘鏄粰WuYouUser.prototype.Count鍔犱笂1 鐜板湪鍐嶇湅涓孌典唬鐮侊細 紼嬪簭浠g爜
function NewClass() //鐢變簬涓婅竟鐨刉uYouUser綾諱笉鍚堥傚綋榪欎釜渚嬪瓙鐨勪唬鐮侊紝鎴戝0鏄庝簡涓涓柊綾籒ewClass { this.Name = "娉g孩浜?; //榪欓噷榛樿鍊間負鎴戠殑鍚嶅瓧 } NewClass.prototype.ChangeName = function(NewName) { this.Name = NewName; } var Wo = new NewClass(); Wo.ChangeName("閮戣繍娑?); //鎴戠殑鐪熷悕
鍙互鐪嬪埌Wo.Name紜疄宸茬粡鍙樻垚浜?閮戣繍娑?錛岃繖涓柟娉曚技涔庢槸鍙互鐢ㄧ殑錛屼絾閲岃竟鏄笉鏄唴鏈夊ぉ鏈哄憿錛?br />鍐嶇湅涓嬭竟鐨勪唬鐮侊紝綾葷殑瀹氫箟浠ュ強ChangeName鐨勫畾涔夋垜浠収鏍鳳紝浣嗘敼鍙樹竴涓嬩笅杈圭殑浠g爜錛?br /> 紼嬪簭浠g爜
NewClass.prototype.ChangeName("閮戣繍娑?); document.write(NewClass.Name); //undefined錛屽嵆鏈畾涔?br />document.write(NewClass.prototype.Name); //閮戣繍娑?br />var Wo = new NewClass(); document.write(Wo.Name); //娉g孩浜?/div>
顥ヮ棩鍙互鐪嬪埌鎴戜滑騫舵病鏈夊畾涔塏ewClass.prototype.Name榪欎釜闈欐佸睘鎬э紝浣嗙紪璇戝櫒緇欐垜浠嚜宸卞姞浜嗕竴涓?br />鍙槸鍐嶇湅涓嬭竟杈撳嚭Wo.Name錛屽畠騫朵笉鏄負"閮戣繍娑?錛岃屾槸鍘熸潵鐨勯粯璁ゅ?娉g孩浜?錛岃鏄庝簡浠涔堬紵
鍏跺疄寰堢畝鍗曪紝鐪嬩竴涓婲ewClass鐨勫畾涔夐噷宸茬粡鏈塏ame榪欎釜灞炴э紝鍥犳Wo涔熸湁鑷繁鐨凬ame灞炴э紝瀹冭窡NewClass.prototype.Name騫朵笉鏄悓涓涓殑錛屽洜姝ゅ氨榪樻槸閭f牱瀛愩?br />
顥ヮ棩閭d負浠涔堝墠涓涓緥瀛愯繍琛屼簡Wo.ChangeName("閮戣繍娑?)鍗磋兘澶熷疄鐜版敼鍙榃o.Name灞炴у憿錛熷叾瀹炲湪榪欓噷璺熸敼鍙榃o.Count鐨勫兼槸鍚屼竴涓亾鐞嗭紝緙栬瘧鍣ㄨ嚜鍔ㄧ粰Wo澧炲姞浜嗕竴涓柟娉旵hangeName錛岃繖涓柟娉曚唬鐮佷笌NewClass.prototype.ChangeName涓鏍鳳紝浣?Wo.ChangeName鏄疻o榪欎釜瀹炰緥鎵鐗規(guī)湁鐨勶紝鑰岄潪NewClass.prototype.ChangeName錛?br />
顥ヮ棩鍒嗘瀽鍙煡閬撳湪闈欐佹柟娉曢噷灝介噺涓嶈浣跨敤this榪欐牱鐨勫叧閿瓧鏉ュ紩鐢ㄥ疄渚嬫湰韜殑灞炴э紝闄ら潪浣犳湁鐗瑰埆鐨勭洰鐨勶紝鑰屼笖鑳藉娓呮鍦版槑鐧借繖閲岃竟鐨勮繍琛屾満鍒訛紒
顥ヮ棩濡傛灉鐪熺殑闇瑕佸湪闈欐佹柟娉曢噷浣跨敤this錛屽彲浠ョ洿鎺ユ妸this褰撲綔鍙傛暟浼犺繘鍘伙細
紼嬪簭浠g爜
NewClass.ChangeName = function(This,NewName) //娉ㄦ剰榪欓噷鏄疶his,涓嶆槸this { This.Name = NewName; }
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鏋勯犲嚱鏁?/strong> 涓涓被鍦ㄥ垵濮嬪寲鐨勬椂鍊欏叾瀹炰篃鏄竴涓嚱鏁扮殑鎵ц榪囩▼錛岃繖涓嚱鏁板氨鏄瀯閫犲嚱鏁幫紝鎴戜滑鐪嬩竴涓嬩笅杈圭殑浠g爜錛?br /> 紼嬪簭浠g爜
function WuYouUser() { this.Name = "娉g孩浜?; //榛樿瀹氫箟涓烘常綰涵 alert(this.Name); } var Wo = new WuYouUser();//鍙互鐪嬪埌鍑虹幇涓涓獥鍙f樉紺烘常綰涵涓変釜瀛?/div>
顥ヮ棩鍙互鐪嬪嚭綾葷殑瀹氫箟涓嶄粎浠呮槸瀹氫箟浜嗗畠鐨勫睘鎬т笌鏂規(guī)硶錛岃繕鍚屾椂鍙互鍔犲叆涓浜涗唬鐮侊紝鑰岃繖浜涗唬鐮佸氨鏄綾葷殑鏋勯犲嚱鏁扮殑浠g爜錛屽湪瀹炰緥澹版槑榪囩▼涓鎵ц錛?br />鍏跺疄璇磋搗鏉ワ紝綾葷殑灞炴т笌綾葷殑鏂規(guī)硶閮芥槸鍦ㄦ瀯閫犲嚱鏁伴噷鎵ц瀹氫箟鐨勶紝鐪嬩笅杈圭殑浠g爜錛?br />
紼嬪簭浠g爜
function WuYouUser() { this.Name = "娉g孩浜?; return; this.Sex = "鐢?; } var Wo = new WuYouUser(); document.write(Wo.Name); //娉g孩浜?br />document.write(Wo.Sex); //undefined錛屽嵆鏈畾涔?/div>
鐪嬪緱鍑轟粈涔堬紵Sex灞炴ф槸鍦╮eturn;涔嬪悗鐨勶紝鑰學(xué)uYouUser綾葷殑鏋勯犲嚱鏁伴亣鍒皉eturn鍗沖仠姝㈣繍琛岋紝鎹㈠彞璇濊this.Sex = "鐢?;榪欎竴琛屾槸娌℃湁琚墽琛岋紝鍗砈ex灞炴ф牴鏈病鏈夎瀹氫箟錛?br />
鏋勯犲嚱鏁板彲浠ユ湁鍙傛暟錛屽弬鏁板煎湪澹版槑瀹炰緥鐨勬椂鍊欒浼犲叆錛?br />
紼嬪簭浠g爜
function WuYouUser(Name) { this.Name = Name; } var Wo = new WuYouUser("娉g孩浜?); document.write(Wo.Name); //娉g孩浜?/div>
鏋勯犲嚱鏁頒笉闇瑕佽繑鍥炲鹼紝浣嗗鏋滀綘璁劇疆浜嗚繑鍥炲鹼紝鍙互鎶婂畠褰撴垚涓涓嚱鏁版潵浣跨敤銆?br />
紼嬪簭浠g爜
function Sum(a, b) { this.a = a; this.b = b; return this.a + this.b; } document.write(Sum(12, 23)); //杈撳嚭鐨勬槸12涓?3鐨勫拰35 var Obj = new Sum(12,23); document.write(Obj.a) // 12 document.write(Obj.b) // 23
鎰熻鎸哄濡欙紝瀵瑰惂錛熸垜鍐欒繖鏂囩珷鍐欑潃鍐欑潃涔熻寰楁尯濂囧鐨勶紝鍛靛懙錛?br />
浣嗗己鐑堝緩璁笉瑕佹妸涓涓被褰撴垚涓涓嚱鏁版潵浣跨敤錛佸鏋滀綘闇瑕佺殑鏄竴涓嚱鏁幫紝璇風(fēng)洿鎺ュ啓鎴愬嚱鏁拌屼笉瑕佸啓鎴愮被錛屼互鍏嶆悶娣蜂簡銆?br />
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緇ф壙 緇ф壙榪欎釜璇嶅湪闈㈠悜瀵硅薄鐨勭紪紼嬮噷鏄潪甯擱噸瑕佺殑錛岃櫧鐒禞avaScript騫朵笉鏄湡姝i潰鍚戝璞$殑璇█錛岃屾槸璺烿B涓鏍鋒槸鍩轟簬瀵硅薄鐨勮璦錛屽畠鍚屾牱鎻愪緵浜嗙戶鎵挎満鍒躲?br />
鏂囩珷寮澶存椂璋堝埌浜嗙敺浜轟笌濂充漢錛岃繖涔熷悓鏍鋒槸涓や釜涓嶅悓鐨勭被錛屼絾鍗村叿鏈夌浉鍚岀殑涓浜涘睘鎬т互鍙婃柟娉曪紝鑰岃繖浜涚浉鍚岀殑鐗規(guī)ф槸鏉ヨ嚜鈥滀漢鈥濊繖涓被鐨勶紝鎹㈠彞璇濊鐢蜂漢涓庡コ浜虹戶鎵夸簡 鈥滀漢鈥濈殑鎵鏈夌壒鎬э紒浣嗘槸鐢蜂漢涓庡コ浜哄嵈鏈夊叾涓嶅悓鐨勫湴鏂癸紝緙栫▼璇█閲岀殑緇ф壙涔熶竴鏍鳳紝涓涓被A緇ф壙浜嗗彟涓涓被B錛岄偅涔堢被B灝辨槸綾籄鐨勭埗綾伙紝綾籄灝辨槸綾籅鐨勬淳鐢熺被錛屼篃縐頒負瀛愮被銆傛瘮濡傜敺浜哄氨鏄漢鐨勬淳鐢熺被錛岃屼漢灝辨槸鐢蜂漢鐨勭埗綾匯傛渶楂樹竴綰х殑綾葷О涓哄熀綾伙紝鎯寵薄涓涓嬪氨鍙互鏄庣櫧錛岀敺浜虹戶鎵胯嚜浜猴紝鐢峰緇ф壙鑷敺浜猴紝浜哄氨鏄敺瀛╃殑鍩虹被錛岀敺浜哄氨鏄敺瀛╃殑鐖剁被銆?br />
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棰樺錛氬閲嶇戶鎵?/strong> 榪欓噷鍐嶆秹鍙婁竴涓閲嶇戶鎵跨殑璇濋錛屼絾濡傛灉浣犱粎浠呮槸瀛avaScript鐨勮瘽灝辨病鏈夊繀瑕佺湅涓嬪幓錛屽洜涓篔avaScript涓嶆彁渚涘閲嶇戶鎵匡紝鍑嗙‘涓鐐硅娌℃湁涓縐嶇畝鍗曡屾爣鍑嗙殑鏂規(guī)硶鏉ュ疄鐜板閲嶇戶鎵匡紙鍏跺疄鏄湁鍔炴硶瀹炵幇鐨勶紝鍙笉榪囬夯鐑︿簡涓鐐癸紝鑰屼笖紜疄娌℃湁蹇呰錛夈?br /> 鍦–++涓槸鏈夊閲嶇戶鎵跨殑姒傚康鐨勶紝榪欓噷鏄璁篔avaScript錛屽洜姝や笉鎵撶畻璁詫紝鍙槸璇磋瀹冪殑涓鐐圭偣鎬濇兂浠ヤ緵鍙傝冦?br /> 鍦ㄤ笂杈圭敺瀛╃殑緇ф壙闂涓紝鐢峰鍏跺疄涓嶄粎浠呮槸緇ф壙鑷敺浜猴紝榪樼戶鎵胯嚜瀛╁瓙錛堟湁鐢峰瀛愶紝涔熸湁濂沖瀛愶級榪欎釜綾伙紝鍥犳錛屽畠鍚屾椂緇ф壙浜嗕袱涓被錛氱敺浜轟笌鐢峰錛岃繖灝辨槸鎵璋撶殑澶氶噸緇ф壙銆?br /> 濂斤紝榪欎釜闂鎵撲綇錛屾垜浠繕鏄洖褰掍富棰樸?br />>>>>>>>>>>>>>>>>>>>> 鍏堢湅絎竴涓被鐨勫畾涔夛細 紼嬪簭浠g爜
function A() { this.Name = "娉g孩浜?; alert(this.Name); }
榪欎釜綾誨畾涔変簡涓涓睘鎬ame錛岄粯璁ゅ間負"娉g孩浜? 鐜板湪鐪嬬浜屼釜綾葷殑瀹氫箟錛?br /> 紼嬪簭浠g爜
function B() { this.Sex = "鐢?; alert(this.Sex); }
瀹氫箟浜嗕竴涓睘鎬ex,榛樿鍊間負"鐢? 緇ф壙鐨勬柟寮忓氨鏄?瀛愮被.prototype = new 鐖剁被(); 鐜板湪鎴戜滑鏉ヨB綾葷戶鎵緼綾伙細 紼嬪簭浠g爜
B.prototype = new A();
榪愯榪欎竴孌典唬鐮侊細 紼嬪簭浠g爜
var Obj = new B(); //棣栧厛鎵撳紑璀﹀憡紿楀彛鏄劇ず"娉g孩浜?,鍐嶆樉紺?鐢?
鍙互浠庝笂杈圭殑緇撴灉鐪嬪嚭B綾葷戶鎵夸簡A綾伙紝鎷ユ湁浜咥綾葷殑灞炴ame錛屽茍涓旀墽琛屼簡A綾葷殑鏋勯犲嚱鏁幫紝鑰屼笖A綾葷殑鏋勯犲嚱鏁板湪B綾葷殑鏋勯犲嚱鏁版墽琛屼箣鍓嶆墽琛屻傚洜姝ゆ垜浠埄鐢ㄨ繖涓彲浠ュ疄鐜伴噸鍐欑埗綾葷殑鏂規(guī)硶浠ュ強閲嶈緗埗綾繪煇灞炴х殑榛樿鍊鹼細 紼嬪簭浠g爜
function A() { this.Name = "娉g孩浜?; this.Show = function() { alert("榪欐槸A綾葷殑Show鏂規(guī)硶"); } alert(this.Name); } function B() { this.Name = "閮戣繍娑?; this.Show = function() { alert("榪欐槸B綾葷殑Show鏂規(guī)硶"); } alert(this.Name); } var Obj = new B(); Obj.Show();
顥ヮ棩緇撴灉鍑虹幇浜嗕笁嬈¤鍛婄獥鍙o紝絎竴涓唴瀹逛負娉g孩浜?鏄墽琛孉綾葷殑鏋勯犲嚱鏁伴噷鐨刟lert(this.Name)錛岄偅鏃跺橬ame灞炴у艱繕涓?娉g孩浜?,鍥犱負B 綾葷殑鏋勯犲嚱鏁拌繕娌℃墽琛岋紝絎簩嬈″唴瀹逛負"閮戣繍娑?,榪欐槸B綾婚噷鐨刟lert(this.Name)錛屽洜涓築綾葷殑鏋勯犲嚱鏁伴噷緇橬ame閲嶈祴鍊間負"閮戣繍娑?銆傛渶鍚庢槸璋冪敤浜哋bj.Show()錛屾墽琛屼簡涓嶆槸A綾葷殑Show鏂規(guī)硶閲岀殑Show錛堟樉紺?榪欐槸A綾葷殑Show鏂規(guī)硶"錛夛紝鑰屾槸鎵ц浜咮綾葷殑Show錛堟樉紺?榪欐槸 B綾葷殑Show鏂規(guī)硶"錛夛紝寰堟槑鏄維how鏂規(guī)硶琚噸鍐欎簡銆?br /> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 綾諱綔涓轟竴涓璞℃椂鐨勫睘鎬т笌鏂規(guī)硶錛堜笉鐭ラ亾濡備綍綆媧佸湴琛ㄨ揪錛屽洜姝ょ敤浜嗚繖涔堥暱鐨勯鐩級 涓嶇煡閬撳湪榪欓噷璋堣繖涓瘽棰樻槸鍚︽湁鐐規(guī)販浜鴻崇洰錛屼絾鍙堣寰椾笉璋堣繖綃囨枃绔犲氨涓嶇畻瀹屾暣錛屽洜涓烘枃绔犵洰鐨勫氨鏄璁╀漢鎼炴竻妤氱被鐨勬柟鏂歸潰闈€?br /> 顥ヮ棩鐪嬩簡榪欎竴灝忚妭鐨勯鐩紝鎴栬浣犱細瑙夊緱濂囨紝綾誨氨鏄被錛屾庝箞浼氣滀綔涓轟竴涓璞♀濆憿錛熷湪JavaScript閲岋紝涓鍒囬兘鏄璞★紝鍖呮嫭綾伙紒瀵硅薄鍙互鏈夊睘鎬э紝鍙互鏈夋柟娉曪紝綾諱篃鍚屾牱鍙互鏈夛紝浣嗚繖涓潪甯稿鏄撹窡鍓嶈竟璇村埌鐨勯潤鎬佸睘鎬т笌闈欐佹柟娉曟悶娣蜂簡錛屽洜姝よ浠旂粏鐪嬫竻妤氫袱鑰呯殑鍒嗗埆錛?br /> 瀹氫箟涓涓被錛?br /> 紼嬪簭浠g爜
function WuYouUser() { this.Name = "娉g孩浜?; }
瀹氫箟綾諱綔涓轟竴涓璞℃椂鐨勫睘鎬э細