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Lodash _.dropRight() Function - GeeksforGeeks

Last Updated : 30 Aug, 2024

Lodash _.dropRight() function is used to delete the elements from the right of the array i.e from the (n-1)th element.

_.dropRight(array, n);

• array: It is the original array from which elements are to be deleted.
• n: Here n is the number of elements that are to be deleted from the array. By default, it is set to one.

• It returns the array.

Note:

Install the lodash module by using command npm install lodash before using the code given below.

Example 1: In this example, we are printing the new array having two elements less from the right side of the original array.

// Requiring the lodash library
const _ = require('lodash');

// Original array
let array1 = [1, 2, 3, 4, 5]

// Using _.dropRight() function
let newArray = _.dropRight(array1, 2);

// Original Array
console.log('original Array: ', array1)

// Printing the newArray
console.log('new Array: ', newArray)

Output: 

Example 2: In this example, given value is greater than the length of the given array so it is giving empty array.

// Requiring the lodash library
const _ = require('lodash');

// Original array
let array1 = [1, 2, 3, 4, 5]

// Using _.dropRight() function
let newArray = _.dropRight(array1, 10);

// Original Array
console.log('original Array: ', array1)

// Printing the newArray
console.log('new Array: ', newArray)

Output: 

Example 3: In this example, we are printing the new array having one element less from the right side of the original array.

// Requiring the lodash library
const _ = require('lodash');

// Original array
let array1 = [
    { 'a': 1, 'b': 2 },
    { 'a': 2, 'b': 1 },
    { 'b': 2 }
]

// Using _.dropRight() function
let newArray = _.dropRight(array1);

// Original Array
console.log('original Array: ', array1)

// Printing the newArray
console.log('new Array: ', newArray)

Output:

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