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classes.js
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63 lines (51 loc) · 1.58 KB
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// Copy and paste your prototype in here and refactor into class syntax.
class CuboidMaker{
constructor(dimensions){
//properties
this.length = dimensions.length;
this.width = dimensions.width;
this.height = dimensions.height;
}
//Volume Method
volume (){
return this.length*this.width*this.height;
}
//Surface Area Method
surfaceArea (){
return 2 * (this.length * this.width + this.length * this.height + this.width * this.height);
}
}
/* == Step 4: Create a new object that uses CuboidMaker ==
Create a cuboid object that uses the new keyword to use our CuboidMaker constructor
Add properties and values of length: 4, width: 5, and height: 5 to cuboid.
*/
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(cubeDimensions){
super(dimensions); //something is not working here.
}
cubeVolume (){
return this.length*this.width*this.height;
}
cubeSurfaceArea(){
return 6*this.length;
}
}
//create a new cube
const cube = new CubeMaker({
'length': 10,
'width': 10,
'height': 10,
})
console.log(cube.cubeVolume());
console.log(cube.cubeSurfaceArea());