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Home / Miscellaneous / Check if all the elements in values are included in arr

Check if all the elements in values are included in arr

Check if all the elements in values are included in arr

Use Array.prototype.every() and Array.prototype.includes() to check if all elements of values are included in arr.

const includesAll = (arr, values) => values.every(v => arr.includes(v));

// Examples
includesAll([1, 2, 3, 4], [1, 4]); // true
includesAll([1, 2, 3, 4], [1, 5]); // false

Source

https://www.30secondsofcode.org/js/s/includes-all

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