javascript/prototype/prototype-objectbased.js at main · shangan23/javascript · GitHub

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function object(o){

function F() {}

F.prototype = o;

return new F();

}

function objectUber(o){

var n;

function F() {}

F.prototype = o;

n = new F();

//uber

n.uber = o;

return n;

}

var shape = {

name: "Shape",

toString: function() {

return this.name;

}

var twoDee = objectUber(shape); // user objectUber() to get parent method

twoDee.name = "2D Shape";

twoDee.toString = function() {

return this.uber? this.uber.toString() + "," + this.name: this.name;

}

var triangle = objectUber(twoDee); // user objectUber() to get parent method

triangle.name = "Triangle";

triangle.side = 5;

triangle.height = 10;

triangle.getArea = function(){

return this.side * this.height/2;

}

console.log(triangle.toString());

console.log(triangle.getArea());

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