JavaScript imitates object-oriented programming instance code (private, public variable ...) )

1 //define a JavaScript class2 functionJsclass (Privateparam,publicparam) {//constructor Function3     varPrimember = Privateparam;//Private Variables4      This. Pubmember = Publicparam;//Public Variables5     //Defining Private Methods6     functionPrimethod () {7         return"Primethod ()";8     }9     //defines a privileged method that can access all members of a privileged methodTen      This. Privilegedmethod =function(){ One         varstr = "This is the privileged method, I called \ n"; Astr + = "Private variable:" + primember + "\ n"; -str + = "Private method:" + primethod () + "\ n"; -str + = "public variable:" + This. pubmember + "\ n"; thestr + = "Public method:" + This. Pubmethod (); -         returnstr; -     } - } + //add public methods, cannot call private variables and methods -JsClass.prototype.pubMethod =function(){ +     return"Pubmethod ()"; A } at  - //using an instance of Jsclass -Jsobject =NewJsclass ("Primember", "Pubmember"); -  -alert (Jsobject.pubmember);//Popup pubmember Information - /* in alert (jsobject.primember);//popup Undefined information - alert (Jsobject.pubmethod ());//popup Pubmethod information to alert (Jsobject.primethod ());//Popup "object does not support this property or method" error + alert (Jsobject.privilegedmethod ()); - */

JavaScript imitates object-oriented programming instance code (private, public variable ...) )