JS objects and basic properties or methods

// construct an object using the constructor 
    // a) 
        // constructor object functions 
        var obj = new new Object (); 
        obj.name = "Tom" ; 
        obj.age = 16 ; 
        obj.gender = "MALE" ; 
        the console.log ( obj); 

        // point accessors 
        the console.log (obj.name); 

        // brackets accessors 
        the console.log (obj [ "Gender" ]); 


    // 2) 
        // constructor object functions 
        var obj = {}; 
        obj.name = "Lucy" ; 
        obj.age = 18 is ; 
        obj.gender= "FEMALE" ; 
        the console.log (obj); 

    // object serialization and serialization return 
        // convert js json string object 
        var json = the JSON.stringify (obj); 
        the console.log (obj); 

        // js subject to convert a string json 
        var obj = the JSON.parse (json); 
        the console.log (obj); 


    // . 3) 
        // object literal 
        var obj = { 
            name: "Lily" , 
            Age: 15 , 
            Gender: " MALE " 
        }; 
        console.log (obj); 
        
        // delete attribute 
        the delete obj.name;
        the console.log (obj); 


    // . 4) 
        // object literal 
        var obj = { 
            name: "Lisa" , 
            Age: 20 is , 
            clazz: 1903 , 
            QQ: 123456 , 
            Gender: "MALE" 
        }; 
        the console.log (obj ); 

        // constructor who created the current object 
        var RESULT1 = obj.constructor (); 
        the console.log (RESULT1); 

        // returns a string describing information about the object 
        var result2 = obj.toString (); 
        the console.log (result2); 

        // returns the description information of the digital object 
        var= result3 obj.valueOf (); 
        the console.log (result3); 

        // enhanced for loop, traverse the object 
        for ( var Key in obj) {
             // get property values 
            var value = obj [Key]; 
            the console.log (value) ; 
        }