本篇学习记录对象,接口,元组, 字面量类型,枚举,any类型
对象
JS的对象是由key,value组成的,而在ts中对象的类型就是描述对象的结构
声明对象:
// 声明方法一:
let person :{
name:string;age:number;sayHi(name:string):void;great():void } = {
name:'章三',
age:18,
sayHi(name){
},
great:()=>{
}
}
// 声明方法二:
type customObject = {
name:string
age:number
sayHi(name:string):void
great():void
}
let person2:customObject ={
name:'章三',