Mooncascade secret message solution.

mooncascade_secret_message.js

const msg = [125, 66, 69, 10, 67, 89, 10, 94, 66, 79, 10, 75, 95, 94, 66, 69, 88, 10, 69, 76, 10, 8, 126, 66, 79, 10, 98, 67, 94, 73, 66, 66, 67, 65, 79, 88, 13, 89, 10, 109, 95, 67, 78, 79, 10, 94, 69, 10, 94, 66, 79, 10, 109, 75, 70, 75, 82, 83, 8, 21, 10, 122, 70, 79, 75, 89, 79, 10, 89, 79, 68, 78, 10, 83, 69, 95, 88, 10, 75, 68, 89, 93, 79, 88, 10, 94, 69, 10, 64, 69, 72, 89, 106, 71, 69, 69, 68, 73, 75, 89, 73, 75, 78, 79, 4, 73, 69, 71, 6, 10, 93, 67, 94, 66, 10, 83, 69, 95, 88, 10, 105, 124, 10, 69, 88, 10, 102, 67, 68, 65, 79, 78, 99, 68, 10, 127, 120, 102, 4];
let message = '';

for (const charcode of msg) {
    message += String.fromCharCode(charcode ^ 42);
}

console.log(message); // Who is the author of "The Hitchhiker's Guide to the Galaxy"? Please send your answer to jobs@mooncascade.com, with your CV or LinkedIn URL.
// Answer: Douglas Adams (source: https://en.wikipedia.org/wiki/The_Hitchhiker%27s_Guide_to_the_Galaxy)