JavaScript implements object-oriented

1         /*2 JS implementation of Object-oriented method3             */4             5             //1 Factory model not recommended6             functionPerson (name, sex, age) {7obj = {};8Obj.name =name;9Obj.sex =sex;TenObj.age =Age ; OneObj.say =function(){ AAlert This. Name + "" + This. sex+ "" + This. age); -                     }; -                     returnobj; the                 } -                  -                 varP1 = Person ("Z3", "female", 18); - P1.say (); +              -              +              A              at             //2 recommended constructor Methods -             //the first letter to capitalize when creating a class this is a specification -             functionPerson (name, sex, age) { -                  This. Name =name; -                  This. Sex =sex; -                  This. Age =Age ; in                  This. Say =function(){ -Alert This. Name + "" + This. sex+ "" + This. age); to                 }; +             } -             varP2 =NewPerson ("Z3", "male", 18); the             //P2.say (); *             varP3 =NewPerson ("Z4", "female", 20); $             //P3.say ();Panax Notoginseng              -              the             //Obj.constructor is the constructor of obj +Alert (p2.constructor== person);//true A              the             //verifies that an instance is not an object of an instance instanceof +Alert (P2instanceofperson);//true -Alert (P2instanceofObject);//true JS in which everything is Object $              $              -              -              the             //3 Deprecated, binding methods use call or Apply -             functionPerson (name, sex, age) {Wuyi                  This. Name =name; the                  This. Sex =sex; -                  This. Age =Age ; Wu                  This. Say =function(){ -Alert This. Name + "" + This. sex+ "" + This. age); About                 }; $             } -             varn \NewObject (); -             //use call to bind an object to O to bind a Person object instance, which is the argument after O -Person.call (O, "Z3", "male", 19); A O.say (); +             

JavaScript implements object-oriented