“Falsy Bouncer” Kod odpowiedzi

Falsy Bouncer

// Falsy Bouncer
// Remove all falsy values from an array.
// Falsy values in JavaScript are false, null, 0, "", undefined, and NaN.
// Hint: Try converting each value to a Boolean.

function bouncer(arr) {
	let newArray = [];
	for (let i = 0; i < arr.length; i++) {
		if (arr[i]) newArray.push(arr[i]);
	}
	return newArray;
}

// OR

function bouncer(arr) {
	return arr.filter(Boolean);
}

bouncer([7, 'ate', '', false, 9]);