Sometimes, we want to get a number of random elements from an array with JavaScript.
In this article, we’ll look at how to get a number of random elements from an array with JavaScript.
How to get a number of random elements from an array with JavaScript?
To get a number of random elements from an array with JavaScript, we call the array sort method.
For instance, we write
const shuffled = array.sort(() => 0.5 - Math.random());
const selected = shuffled.slice(0, n);
to call array.sort to return a shuffled version of array.
Then we call shuffled.slice with 0 and 5 to return an array with the first 5 elements of the shuffled array.
Conclusion
To get a number of random elements from an array with JavaScript, we call the array sort method.
