check if element of array exists in another array javascript code example

Example 1: javascript check if elements of one array are in another

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

Example 2: check if array values exists in another array

$result = !empty(array_intersect($people, $criminals));

Example 3: if array ontains any item of another array js

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