get random index from array code example

Example 1: get random elements from array javascript

array.sort(() => Math.random() - Math.random()).slice(0, n)

Example 2: get random elements from array javascript

const arr = myArray
      .map((a) => ({sort: Math.random(), value: a}))
      .sort((a, b) => a.sort - b.sort)
      .map((a) => a.value)