How to perform one binary operation on a binary array?

Question

Suppose a binary array exists var arr = [true, true, false];.

Is there a way to get ANDor the ORwhole array in one way?

Answer 1

You can use Booleanas a callback for

• OR with Array#someor for

• And with Array#every.

var array = [true, true, false];

console.log(array.some(Boolean));  // or
console.log(array.every(Boolean)); // and

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Answer 2

Yes: for ANDyou use arr.every(bool => bool), for ORyou use arr.some(bool => bool).

Answer 3

You can use every()for AND:

arr.every(x => x);

And some()for OR:

arr.some(x => x);