codex-lv3-may-2025

Function Practice Ideas

This week, we will choose some of these function ideas to implement together. These exercises will help you practice writing functions, working with parameters, and returning values.

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💌 Greeting & Message Functions

• makeGreeting(name, occasion) → "Happy Birthday, Alex!"
• addSignature(message, from) → "Happy Birthday, Alex! — from Sam"
• decorateMessage(message) → "🌸🌸 Happy Birthday, Alex! 🌸🌸"

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🍳 Recipe & Measurement Functions

• convertToCups(ml) → returns equivalent in cups
• calculateTip(total, percent) → returns total × (1 + tip)
• applyDiscount(price, discount) → returns price × (1 − discount)

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🧮 Math & Geometry

• double(x) → returns x × 2
• addTax(price, rate) → returns price × (1 + rate)
• distance(p1, p2) → returns distance using Math.sqrt((x2−x1)² + (y2−y1)²)

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🎨 Color Utilities

• mixColors(c1, c2) → returns average color
• lighten(color, percent) → returns lighter hex or RGB value
• convertArrayToRGB(r, g, b) → 'rgb(r, g, b)'

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🧠 Word & String Utilities

• toSnakeCase(text) → 'helloWorld' → 'hello_world'
• toKebabCase(text) → 'helloWorld' → 'hello-world'
• (optional later) toCamelCase(text) → 'hello_world' → 'helloWorld'

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🐉 API / Data Simplifiers

• simplifyPokemonObject(pokemonObject) → returns { name, type, height, weight }
• tempToday(weatherObject) → returns today’s temperature
• conditionsToday(weatherObject) → returns current conditions (like "Sunny", "Rainy")

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