dropWhile.js

/**
 * Drops array elements while specified condition is met
 * @param {Array.<T>} array
 * @param {Function} cb condition to drop elements
 * @returns {Array.<T>} returns array tail of resulting operation
 */
function dropWhile(array, cb) {
    const n = array.length;
    let i = 0;

    for (; i < n; i++) {
        if (!cb(array[i])) {
            break;
        }
    }

    return array.slice(i);
}