function ClassA (sColor) {
this.color = sColor;
this.sayColor = function () {
alert(this.color);
}
}
function ClassB (sColor,sName) {
this.newMethod = ClassA;
this.newMethod (sColor);
delete this.newMethod;
this.name = sName;
this.sayName = function () {
alert(this.name);
}
}
var objA = new ClassA("red");
var objB = new ClassB("blue","Nicholas");
objA.sayColor();
objB.sayColor();
objB.sayName();
//red
//blue
//Nicholas