javascript Js - 将对象属性设为私有

Posted 2021-05-04

var Car = function(){
	
	//this is a private variable
	var speed = 10;
	
	//these are public methods
	this.accelerate = function(change){
		speed += change;
	};
	
	this.decelerate = function(){
		speed -= 5;
	};
	
	this.getSpeed = function(){
		return speed;
	};
	
};