function People(name) {
this.age = 20
this.name = name
this.objectFn = function() {
console.log('对象方法')
}
}
People.classFn = function() {
console.log('类方法')
}
People.prototype.prototypeFn = function() {
console.log('原型方法')
}
/**
* 构造函数调用
*/
// People.objectFn() // 报错 is not a function, People.objectFn 是undefined
People.classFn()
// People.prototypeFn() // 报错 is not a function, People.prototypeFn 是undefined
/**
* 实例调用
*/
const p1 = new People('zhangsan')
p1.objectFn()
p1.prototypeFn()
// p1.classFn() // 报错 is not a function, People.classFn是undefined
class Person{
constructor(name, age) { // 构造方法
this.name = name
this.age = age
this.objectFn = function() {
console.log('对象方法')
}
}
static classFn() { // 静态方法
console.log('类方法，静态方法')
}
prototypeFn() { // 普通方法
console.log('原型方法')
}
}
console.log(Person.objectFn) // undefined
Person.classFn() // 类方法，静态方法
console.log(Person.say) // undefined
const p1 = new Person('tom', 18)
p1.objectFn() // 对象方法
console.log(p1.classFn) // undefined
p1.prototypeFn() // 原型方法
