how to use the difference function from lodash in javascript

To use the difference function from lodash in JavaScript, first, you need to install the lodash library using npm:

npm install --save lodash
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Then, you can import the difference function in your JavaScript file:

const _ = require('lodash');

const array1 = [1, 2, 3, 4];
const array2 = [2, 3, 5, 6];

const result = _.difference(array1, array2);

console.log(result); // [1, 4]
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The difference function takes multiple arrays as arguments and returns a new array with the values that are unique to the first array, i.e., the elements that are not present in any of the other arrays. In the example above, the result array contains the elements [1, 4], which are the values from array1 that are not present in array2.

You can also use the difference function with more than two arrays:

const array1 = [1, 2, 3, 4];
const array2 = [2, 3, 5, 6];
const array3 = [3, 4, 7, 8];

const result = _.difference(array1, array2, array3);

console.log(result); // [1]
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In the example above, the result array contains only the element 1, which is the only element that is not present in any of the other arrays.