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classes.js
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50 lines (42 loc) · 1.25 KB
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// Copy and paste your prototype in here and refactor into class syntax.
class CuboidMaker {
constructor(props) {
this.length = props.length;
this.width = props.width;
this.height = props.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 cuboid = new CuboidMaker({
length: 4,
width: 5,
height: 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(props) {
super(props);
this.edge = props.length || props.width || props.height;
}
volume() {
return this.edge * this.edge * this.edge;
}
surfaceArea() {
return 6 * this.edge * this.edge;
}
};
const cube = new CubeMaker({
height: 3
});
console.log(cube.volume()); //27
console.log(cube.surfaceArea()); //54