We can use Math.random , math.floor functions to generate random array items. Length property returns the number of elements in the array. Math.floor() function rounds down a number to the next smallest integer. Math.random() function returns a random number between 0 and 1. Let’s see the below example
const array=[1,2,3,4,5];
const random1 = array[(Math.floor(Math.random() * (array.length)))]
const random2 = array[(Math.floor(Math.random() * (array.length)))]
const random3 = array[(Math.floor(Math.random() * (array.length)))]
console.log(random1, random2, random3)
// Output : 2 2 4
Everytime we execute the code then it returns new random value. Let’s see another example
const persons = [
'person1',
'person2',
'person3',
'person4',
'person5',
'person6',
'person7',
'person8',
'person9',
'person10',
] // 10 participants
const winner = persons[Math.floor(Math.random() * persons.length)]
console.log(winner)
// Output : person1
