indexOf method in javascript explained with example - How to find index of an item in arrays

Описание: Javascript interview questions and answers
indexOf method
Javascript
Javascript interview
How to find index of an item in arrays
indexOf

const arr = [100, 200, 700, 400, 500, 600, 700, 800, 900, 1000]
const index = arr.indexOf(500)
console.log(index)