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javascript get n random elements from array

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Cerbrain answered on February 7, 2021 Popularity 9/10 Helpfulness 8/10

answer javascript get n random elements from array

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javascript get n random elements from array

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// Shuffle array
const shuffled = array.sort(() => 0.5 - Math.random());

// Get sub-array of first n elements after shuffled
let selected = shuffled.slice(0, n);

Popularity 9/10 Helpfulness 8/10 Language javascript

Source: stackoverflow.com

Tags: elements get javascript n random

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Contributed on Feb 07 2021

Cerbrain

0 Answers Avg Quality 2/10

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pick n random items from array javascript

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// Shuffle array
const shuffled = array.sort(() => 0.5 - Math.random());

// Get sub-array of first n elements after shuffled
let selected = shuffled.slice(0, n);

Popularity 9/10 Helpfulness 10/10 Language javascript

Source: stackoverflow.com

Tags: items javascript javascrip

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Contributed on Nov 02 2022

Anye Dev

0 Answers Avg Quality 2/10

javascript get a random array from 1 to n

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Array.from(Array(10).keys()).sort(() => 0.5 - Math.random());
//Get Shuffled array from 0 to 10

Popularity 9/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: get javascript java

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Contributed on Feb 24 2022

Purple Team

0 Answers Avg Quality 2/10

get n random items from array javascript

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function getRandom(arr, n) {
    var result = new Array(n),
        len = arr.length,
        taken = new Array(len);
    if (n > len)
        throw new RangeError("getRandom: more elements taken than available");
    while (n--) {
        var x = Math.floor(Math.random() * len);
        result[n] = arr[x in taken ? taken[x] : x];
        taken[x] = --len in taken ? taken[len] : len;
    }
    return result;
}

Popularity 9/10 Helpfulness 5/10 Language javascript

Source: stackoverflow.com

Tags: get items item

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Contributed on Mar 30 2021

Black Bird

0 Answers Avg Quality 2/10

get 3 random items from array javascript

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function getRandom(arr, n) {
    var result = new Array(n),
        len = arr.length,
        taken = new Array(len);
    if (n > len)
        throw new RangeError("getRandom: more elements taken than available");
    while (n--) {
        var x = Math.floor(Math.random() * len);
        result[n] = arr[x in taken ? taken[x] : x];
        taken[x] = --len in taken ? taken[len] : len;
    }
    return result;

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: get items javascript random

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Contributed on Aug 12 2022

Hilarious Hedgehog

0 Answers Avg Quality 2/10

javascript get n random elements from array

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pick n random items from array javascript

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