javascript get element by index code example

Example 1: js find index in list

let myList = ['foo', 'bar', 'qux'];

myList.indexOf('bar');	// 1

Example 2: js get index of item in array

array.indexOf("item");

Example 3: get index of element in array javascript

var scores = [10, 20, 30, 10, 40, 20];
console.log(scores.indexOf(30)); // 2
console.log(scores.indexOf(50)); // -1

Example 4: get item in array from index

var valueAtIndex1 = myValues[1];