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classes.js
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46 lines (34 loc) · 1.13 KB
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// 1. Copy and paste your prototype in here and refactor into class syntax.
class CuboidMakerClass {
constructor(length, width, height) {
this.length = length;
this.width = width;
this.height = height;
}
volume() {
return this.length * this.width * this.height;
}
surfaceArea () {
return 2 * (this.length * this.width + this.length * this.height + this.width * this.height);
}
}
const cm = new CuboidMakerClass(4, 5, 5);
console.log(cm.volume()); // 100
console.log(cm.surfaceArea()); // 130
// Stretch Task: Extend the base class CuboidMakerClass with a sub class called CubeMaker.
// Find out the formulas for volume and surface area for cubes and create those methods
// using the dimension properties from CuboidMaker. Test your work by logging out your volume and surface area.
class CubeMaker extends CuboidMakerClass {
constructor(size) {
super(size, size, size);
}
volume() {
return Math.pow(this.size, 3);
}
surfaceArea () {
return 6 * Math.pow(this.size, 2);
}
}
const cubeMaker = new CubeMaker(10);
console.log(cubeMaker.volume());
console.log(cubeMaker.surfaceArea());