JAVASCRIPT

js get element by index

var arr = ["item", "item2"];
arr.indexOf("item"); // return 0
arr.indexOf("item2") //retrun 1

get index of element in array js

const beasts = ['ant', 'bison', 'camel', 'duck', 'bison'];

beasts.indexOf('bison'); //ouput: 1

// start from index 2
beasts.indexOf('bison', 2); //output: 4

beasts.indexOf('giraffe'); //output: -1

find index in array javascript

// find index of array in javascript
const number = [1,6,2,8,1,0,4,2,7,5,4,1];
const index = number.findIndex(item => item === 8);
console.log(index)

js array get index

var fruits = ["Banana", "Orange", "Apple", "Mango"];
return fruits.indexOf("Apple"); // Returns 2

js get index of item in array

array.indexOf("item");

get array element by index javascript

var firstArrayItem = myValues[0]

get item in array from index

var valueAtIndex1 = myValues[1];