What I've done today is Build a pile of Cubes in JavaScript.

What I've done today is Array.diff in JavaScript.

What I've done today is Directions Reduction in JavaScript.

What I've done today is Valid Braces in JavaScript.

What I've done today is Create Phone Number in JavaScript.

What I've done today is Tribonacci Sequence in JavaScript.

What I've done today is Find The Parity Outlier in JavaScript.