how to use the union function from the lodash library in typescript

To use the union function from the Lodash library in TypeScript, you can follow the steps below:

1. Install the Lodash library using the package manager of your choice:

index.ts
npm install lodash
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2. Import the union function into your TypeScript file using import statement:

index.ts
import { union } from 'lodash';
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3. Now you can use the union function in your TypeScript code:

index.ts
const array1: number[] = [1, 2, 3];
const array2: number[] = [2, 3, 4];

const newArray: number[] = union(array1, array2);
console.log(newArray); // Output: [1, 2, 3, 4]
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The union function takes two or more arrays as its arguments and returns a new array with unique elements from all the input arrays.