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1.5 KiB
1.5 KiB
Modular Patterns:
Douglas Crockford Style
const Car = (name) => {
//private vars
let gas = 100;
const self = {}
//private method
const useGas = (amount) => {
gas -= amount
}
//public var
self.name = name
//public methods
self.drive = (distance)=>{
useGas(distance/5)
}
self.getGasLevel = ()=>{
return gas
}
return self;
};
const myCar = Car("Awesome Car");
console.log(myCar.getGasLevel())
myCar.drive(10)
console.log(myCar.getGasLevel())
MDN Style
const Car = function(name) {
//private var
let gas = 100;
//private method
const useGas = (amount) => {
gas -= amount;
}
//public methods
this.drive = (distance) =>{
useGas(distance/5);
}
this.getGasLevel = () => {
return gas;
}
}
const myCar = new Car("Awesome Car");
console.log(myCar.getGasLevel())
myCar.drive(10)
console.log(myCar.getGasLevel())
ES6 Class
This one is different, because basically everything is public, but some stuff can be hidden upon creation
class Car {
constructor(){
//private vars
this.gas = 100;
this.useGas = (amount) => {
this.gas -= amount
}
}
//public methods
drive(distance){
this.useGas(distance/5)
}
getGasLevel(){
return this.gas;
}
}
const myCar = new Car("Awesome Car");
console.log(myCar.getGasLevel())
myCar.drive(10);
console.log(myCar.getGasLevel())