Pravin M

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JavaScript Decoded in Plain English

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Understanding Arrays in TypeScript

In TypeScript, arrays are a fundamental data structure that can hold multiple values of the same type. You can define an array using the following syntax:

let numbers: number[] = [1, 2, 3];

You can also define an array of objects by specifying an interface or type for the objects.

Example: Defining an Object Type

interface User {    id: number;    name: string;}

Conditionally Adding an Object to an Array

To conditionally add an object to an array, you can use various approaches, such as the if statement, the ternary operator, or even array methods like push(). Let’s explore these methods in detail.

Example 1: Using an if Statement

The simplest way to conditionally add an object to an array is to use an if statement. This method allows you to check a condition and decide whether to add the object.

const users: User[] = [];const newUser: User = { id: 1, name: "Alice" };const…