Verifique se a primeira matriz contém todos os elementos JavaScript
// Not Supported in IE 9-11
const arr1 = ['pizza', 'cola'];
const arr2 = ['pizza', 'cake', 'cola'];
const containsAll = arr1.every(element => {
return arr2.includes(element);
});
console.log(containsAll); // true
// Supported in IE 9-11
const arr1 = ['pizza', 'cola'];
const arr2 = ['pizza', 'cake', 'cola']
const containsAll = arr1.every(element => {
return arr2.indexOf(element) !== -1;
});
console.log(containsAll); // true
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