js array index
const beasts = ['ant', 'bison', 'camel', 'duck', 'bison'];
console.log(beasts.indexOf('bison'));
// expected output: 1
// start from index 2
console.log(beasts.indexOf('bison', 2));
// expected output: 4
console.log(beasts.indexOf('giraffe'));
// expected output: -1get 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: -1get 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)); // -1access index of array javascript
let first = fruits[0]
// Apple
let last = fruits[fruits.length - 1]
// BananaCopyright © 2021 Codeinu
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