Answers for "... in array javascript"

javascript element in array

var fruits = ["Banana", "Orange", "Apple", "Mango"];

var n = fruits.includes("Mango");

js in_array

var a = [1, 2, 3];
a.includes(2); // true 
a.includes(4); // false

see if array contains array javascript

const found = arr1.some(r=> arr2.indexOf(r) >= 0)