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classes.js
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52 lines (44 loc) · 1.29 KB
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// Copy and paste your prototype in here and refactor into class syntax.
class CuboidMaker {
constructor(length, width, height) {
//properties
this.length = length;
this.width = width;
this.height = height;
}
//methods
volume() {
return this.length * this.width * this.height;
}
surfaceArea() {
return (
2 *
(this.length * this.width +
this.length * this.height +
this.width * this.height)
);
}
}
const cuboid = new CuboidMaker(4, 5, 5);
// Test your volume and surfaceArea methods by uncommenting the logs below:
console.log(cuboid.volume()); // 100
console.log(cuboid.surfaceArea()); // 130
/* Stretch Task:
Extend the base class CuboidMaker with a sub class called CubeMaker. Find out the formulas for volume and surface area for cubes and create those methods as well. Create a new cube object and log out the results of your new cube.
*/
class CubeMaker extends CuboidMaker {
constructor(length, width, height) {
super(length, width, height);
}
//methods
volume() {
return this.length * this.length * this.length;
}
surfaceArea() {
return 6 * Math.pow(this.length, 2);
}
}
const cube = new CubeMaker(5, 5, 5);
console.log(cube);
console.log(cube.volume()); // 125
console.log(cube.surfaceArea()); // 150