以下两个声明之间有什么区别?
Class.method = function () { /* code */ }
Class.prototype.method = function () { /* code using this.values */ }
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是否可以将第一个语句视为静态方法的声明,将第二个语句视为实例方法的声明?
我是JavaScript OOP的新手.你能解释下面的代码块之间的区别吗?我测试了两个块都有效.什么是最佳实践,为什么?
第一块:
function Car(name){
this.Name = name;
}
Car.prototype.Drive = function(){
console.log("My name is " + this.Name + " and I'm driving.");
}
SuperCar.prototype = new Car();
SuperCar.prototype.constructor = SuperCar;
function SuperCar(name){
Car.call(this, name);
}
SuperCar.prototype.Fly = function(){
console.log("My name is " + this.Name + " and I'm flying!");
}
var myCar = new Car("Car");
myCar.Drive();
var mySuperCar = new SuperCar("SuperCar");
mySuperCar.Drive();
mySuperCar.Fly();Run Code Online (Sandbox Code Playgroud)
第二块:
function Car(name){
this.Name = name;
this.Drive = function(){
console.log("My name is " + this.Name + …Run Code Online (Sandbox Code Playgroud)javascript oop inheritance constructor prototype-programming