{
// 基本定义和生成实例
class Parent{
constructor(name='mukewang'){
this.name=name;
}
}
let v_parent1=new Parent();
let v_parent2=new Parent('v');
console.log('构造函数和实例',v_parent1,v_parent2); // Parent {name: "mukewang"};Parent {name: "v"}
}
{
// 继承
class Parent{
constructor(name='mukewang'){
this.name=name;
}
}
class Child extends Parent{
}
console.log('继承',new Child());//Child {name: "mukewang"}
}
{
// 继承传递参数
class Parent{
constructor(name='mukewang'){
this.name=name;
}
}
class Child extends Parent{
constructor(name='child'){
super(name);
this.type='child';
}
}
console.log('继承传递参数',new Child('hello')); //_Child {name: "hello", type: "child"}
}
{
// getter,setter
class Parent{
constructor(name='mukewang'){
this.name=name;
}
get longName(){
return 'mk'+this.name
}
set longName(value){
this.name=value;
}
}
let v=new Parent();
console.log('getter',v.longName);//mkmukewang
v.longName='hello';
console.log('setter',v.longName);//mkhello
}
{
// 静态方法
class Parent{
constructor(name='mukewang'){
this.name=name;
}
static tell(){
console.log('tell');
}
}
Parent.tell(); //tell
}
{
// 静态属性
class Parent{
constructor(name='mukewang'){
this.name=name;
}
static tell(){
console.log('tell');
}
}
Parent.type='test';
console.log('静态属性',Parent.type); //test
}
