Alright, here’s my “vibe-friendly” review of your calculator function: 🛑 Bugs & Issues Found Line 3 – console.log("Calculation done"); is never executed because it comes after return. Once you return, the function exits. No input type safety – if a or b aren’t numbers, + might concatenate strings instead of adding. 🔧 Suggested Fixes javascript Kopiuj Edytuj function add(a, b) { const sum = Number(a) + Number(b) // ensure numeric addition console.log("Calculation done") // moved before return return sum } Changes: Converted inputs to numbers with Number() to avoid accidental string concatenation. Moved console.log before return so it actually runs. 💡 Quick Wins Add default parameters so add() doesn’t blow up if called with missing args: javascript Kopiuj Edytuj function add(a = 0, b = 0) { ... } Make the log a little more “vibey” to keep the fun factor: javascript Kopiuj Edytuj console.log(`✨ Added ${a} + ${b} = ${sum}`) ⚠️ Caution If you keep accepting raw user input from HTML form fields, they’ll come in as strings. Without Number() conversion, "2" + "3" will give "23", not 5. Avoid trusting direct user input if you ever expand this beyond just a toy project — input sanitization will matter. If you want, I can also give this function a tiny performance-friendly tweak that still keeps the “light and fun” vibe. That would make it future-proof for more operations.