get a value with a index javascript code example

Example 1: how to find the index of a value in an array in javascript

var list = ["apple","banana","orange"]

var index_of_apple = list.indexOf("apple") // 0

Example 2: how to get the index of an array in javascript

search = (arr, item) => { return arr.indexOf(item); }

Example 3: get item in array from index

var valueAtIndex1 = myValues[1];