浣跨敤new榪欎釜鍏抽敭瀛楋紝浼?xì)鏀瑰彉鍑芥曨C笂涓嬫枃鐜錛屽茍涓旀敼鍙樹簡(jiǎn)return璇彞鐨勮涓恒?/strong>
姣斿涓涓狿erson綾誨涓嬶細(xì)
function Person() {
this.name = "hello";
};
褰撴垜浠琻ew Person鐨勬椂鍊欙紝鏀瑰彉鐨勫嚱鏁版墽琛岀殑涓婁笅鏂囷紝鍥犳錛岃繖涓被鎷ユ湁浜?jiǎn)涓涓睘鎬ame錛屽間負(fù)hello銆?鍚屾椂new榪樹細(xì)鏀瑰彉return 璇彞鐨勮涓猴紝浼?xì)杩斿洖杩欎釜Person瀹炰緥銆?br />
鐒惰屽綋鎴戜滑鐩存帴璋冪敤Person()鏂規(guī)硶鐨勬椂鍊欙紝鐢變簬娌℃湁浣跨敤new鍏抽敭瀛楋紝鍥犳鍑芥暟鎵ц鐨勪笂涓嬫枃娌℃湁鏀瑰彉錛屼緷鐒舵槸window銆?br />
鍥犳window澶氫簡(jiǎn)涓涓睘鎬ame錛屽間負(fù)hello銆?br />
嫻嬭瘯浠g爜濡備笅錛?br />
1 var Person = function(name) {
2 this.name = name;
3 };
4
5 var format = new Person('format');
6
7 console.log(format instanceof Person);
8
9 console.log("window property -> name:" + this.name);
10
11 Person('format');
12
13 console.log("window property -> name:" + this.name);
緇撴灉濡備笅錛?br />
鐞嗚В浜?jiǎn)涓婇潰鎵璇寸殑鍘熺悊涔嬪悗錛屽紑濮嬫瀯寤簀avascript"綾?搴撱?br />
var Class = function() {
var klass = function() {
this.init(arguments);
};
klass.prototype.init = function() {};
return klass;
};
var Person = new Class;
Person.prototype.init = function() {
//綾諱技鏋勯犳柟娉曘傚彲浠ュ湪榪欓噷鍋氫竴浜涘垵濮嬪寲鎿嶄綔銆?br />}
//鐢變簬Class榪斿洖鐨勪緷鏃ф槸涓涓嚱鏁幫紝涔熷氨鏄被銆傚洜姝ゆ垜浠彲浠ュ疄渚嬪寲榪欎釜綾匯?寰楀埌瀹炰緥瀵硅薄
var person = new Person;
....
鏈変簡(jiǎn)榪欎釜綾誨簱涔嬪悗錛?褰撴垜浠渶瑕佽嚜宸辯殑綾葷殑鏃跺欙紝鍙渶瑕乶ew Class鍗沖彲銆?鐒跺悗鏍規(guī)嵁闇姹傚啓鑷繁鐨勫垵濮嬪寲浠g爜銆?br />

]]>