如何在Typescript中向基于json的对象添加更多数据？

Question

I am trying to add more things inside an object but I am not sure how to do it

I have tried pushing the data into the object but it doesn't work

people = [{
  name: 'robert',
  year: 1993
}];

//this is what i want to add

people = {
  name: 'joe',
  year: 1992
}

//I want it to act as if it was

people = [{
  name: 'robert',
  year: 1993
}, {
  name: 'joe',
  year: 1992
}];

I want to be able to call it back using people[0].name

Answer 1

Assuming you want the people variable to be an array of objects,

const people = [{ name: 'robert', year: 1993 }];

If you want to add an object to people ,

const newPerson = { name: 'joe', year: 1992 };
people.push(newPerson);

And if you want to access the individual objects/properties,

people[0];
people[0]['name'];

Regarding your subsequent issue, you may want to provide the type definitions for people .

export class AppComponents { 
  // your properties and methods
}

interface Person {
  name: string;
  year: number; 
}

On your main code itself, you can declare the variables with the typings.

const people: Person[] = [{ name: 'robert', year: 1993 }];
const newPerson: Person = { name: 'joe', year: 1992 };
people.push(newPerson);

Answer 2

尝试这个

people.push({ name: 'joe', year: 1992 });