const array1= ["cheese", "dough", "sauce", "pepperoni"]
const array2= ["mozzarella", "peppers", "chicken", "cheese"]
const isIncluded = array1.some(value => array2.includes(value))
// true
const values = array1.filter(value => array2.includes(value))
// "cheese"

const found = arr1.some(r=> arr2.includes(r))

// How to check if array includes a value from another array in JavaScript
const includesAny = (arr, values) => values.some(v => arr.includes(v));
includesAny([1, 2, 3, 4], [2, 9]); // true
includesAny([1, 2, 3, 4], [8, 9]); // false

// how to check all elements in array includes in another array javascript
const includesAll = (arr, values) => values.every(v => arr.includes(v));
includesAll([1, 2, 3, 4], [1, 4]); // true
includesAll([1, 2, 3, 4], [1, 5]); // false

var arr1 = [ { "prop1": "value1", "prop2": "value2", }, { "prop1": "value3", "prop2": "value4", }, { "prop1": "value5", "prop2": "value6", }, ];
var arr2 = ['value1','value3', 'newValue'];
// finds all the elements of arr2 that are not in arr1
arr2.filter( val => !arr1.find( arr1Obj => arr1Obj.prop1 === val)
); // outputs "newValue"

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