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Collect.js | random() function

  • Last Updated : 05 Jun, 2020

The random() function as the name suggest it returns any random value from the collection. In JavaScript, the array is first converted to a collection and then the function is applied to the collection.

Syntax: 

data.random(number)

Parameters: This function accept a single parameter as mentioned above and described below

  • number: This parameter holds the integer number that how many random number should return from the collection.

Return Value: Returns random value or values from collection.

Below examples illustrate the random() function in collect.js

Example 1:Return single random value.
 

Javascript




// It is used to import collect.js library
const collect = require('collect.js');
  
let main = [1, 2, 3, 4, 5, 6, 7, 8, 9];
const data = collect(main);
let x = data.random();
console.log(x);

Output: 

6

Example 2: Return multiple random values.

Javascript




// It is used to import collect.js library
const collect = require('collect.js');
  
let main = [1, 2, 3, 4, 5, 6, 7, 8, 9];
const data = collect(main);
  
let x2 = data.random(2);
console.log(x2.all());

Output: 

[5 , 7]

Reference: https://collect.js.org/api/random.html

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