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| const xiaojiejie: { name: string, age: number } = { name: '小红', age: 18 }
const obj:object = {}
interface Person{ name: string age: number } const xjj: Person = { name: 'xh', age: 18 }
class Parson { } const xiaobai: Parson = new Parson()
const fn: ()=> string = () => '123'
|