Two Methods of Instantiation (new and function)

// Define the class name as classa
Function classa (){
This. B = 1;
}
Classa. Prototype. B = 44;
Classa. Prototype. Show = function (){
Alert (this. B );
};
// Instantiate with new
VaR B = new classa ();
B. Show (); // 11 if this. B = 1 is not found in the constructor and then found in the prototype)
// Instantiate with Function
Function newclass (CLS, argS ){
VaR OBJ = {};
For (var p in Cls. Prototype)
OBJ [p] = Cls. Prototype [p];
OBJ. _ PROTO _ = Cls. Prototype;
Cls. Apply (OBJ, argS | []);
Return OBJ;
};
VaR K = newclass (classa );
K. Show ();

Two Methods of Instantiation (new and function)