getRandomItem

The getRandomItem() function returns a random item from an array.

Parameters

Parameter	Type	Description
arr	Array	The array to select a random item from.

Returns

• Any: A random item from the input array

Throws

• Error: If the input is not an array or if the array is empty

Example

const utils = require('utils-core.js');
const languages = ['javascript', 'python', 'html', 'css', 'c++'];
const randomItem = utils.random.getRandomItem(languages);
console.log(randomItem); // 'c++', for example

const numbers = [1, 2, 3, 4, 5, 6];
const randomNumber = utils.random.getRandomItem(numbers);
console.log(randomNumber); // 4, for example

See Also

• randomInRange: Generates a random number within a given range.
• Math.random(): Returns a random number between 0 (inclusive) and 1 (exclusive).