Lodash _.remove() method is used to remove all elements from the array that predicate returns True and returns the removed elements in an array.
Syntax:
_.remove(array, [predicate
]);
Parameters:
- array (Array) parameter holds the array that needs to be modified.
- function(Function) parameter holds the function that is invoked per iteration.
Return Value:
It returns an array of removed elements.
Example 1: In this example, we are removing and returning the even numbers by using the _.remove() method.
Javascript
// Requiring the lodash library const _ = require( "lodash" ); let x = [1, 2, 3, 4, 5]; let even = _.remove(x, function (n) { return n % 2 == 0; }); console.log( 'Original Array ' , x); console.log( 'Removed element array ' , even); |
Output:
Original Array [ 1, 3, 5 ]
Removed element array [ 2, 4 ]
Example 2: In this example, we are removing and returning the vowels by using the _.remove() method.
Javascript
const _ = require( 'lodash' ); let x = [ 'a' , 'b' , 'c' , 'd' , 'e' , 'f' , 'g' , 'h' , 'i' ]; let vowelArray = _.remove(x, function (n) { let vowels = [ 'a' , 'e' , 'i' , 'o' , 'u' ]; for (let i = 0; i < 5; i++) { if (n === vowels[i]) { return true ; } } }); console.log( 'Original Array ' , x); console.log( 'Removed element array ' , vowelArray); |
Output:
Original Array [ 'b', 'c', 'd', 'f', 'g', 'h' ]
Removed element array [ 'a', 'e', 'i' ]
Example 3: In this example, we are removing and returning the integers by using the _.remove() method.
Javascript
const _ = require( 'lodash' ); let x = [ 'a' , 'b' , 1, 5.6, 'e' , -7, 'g' , 4, 10.8]; let intsArray = _.remove(x, function (n) { return Number.isInteger(n); }); console.log( 'Original Array ' , x); console.log( 'Removed element array ' , intsArray); |
Output:
Original Array [ 'a', 'b', 5.6, 'e', 'g', 10.8 ]
Removed element array [ 1, -7, 4 ]