JS Practice — Built-in Objects

Array.prototype.length — empty array has length 0

📖 Usage Example

const arr = []
arr.length  // → 0

Check length === 0 to determine whether an array is empty.

Array.prototype.length — empty array

An empty array literal [] has a length of 0. This is a fundamental baseline behaviour worth knowing explicitly.

Challenge: Implement emptyLength() that returns [].length.

emptyLength() // → 0

💡 Hints (2)