https://leetcode.com/problems/angle-between-hands-of-a-clock/

angleBetweenHandsOfClock.js

/**
 * @param {number} hour
 * @param {number} minutes
 * @return {number}
 */
var angleClock = function(hour, minutes) {
    const mVal = (minutes === 60 ? 0 : minutes) / 60;
    const hVal = (hour === 12 ? 0 : hour) / 12 + mVal / 12;
    const smallerVal = Math.min(
        Math.abs(hVal - mVal),
        1 - Math.max(hVal, mVal) + Math.min(hVal, mVal)
    );
    return smallerVal*360;
};