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🔤 String Operations

Path concatenation, text display, and working with text in games

What Are String Operations?

A string is text in programming — anything inside quotes:

"Hello"
"player.png"
"Level 1 Complete!"

String operations are actions you perform on text, such as:

• Combining strings
• Formatting text
• Displaying text on screen
• Building file paths
• Creating messages for the player

Strings are essential for UI, debugging, file loading, and game logic.

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Path Concatenation

Games often need to load assets like:

• Images
• Sounds
• Level files
• Animations

These files are usually stored in folders, so you build paths using strings.

Example:

const basePath = "assets/images/";
const fileName = "pirate.png";

const fullPath = basePath + fileName;

fullPath becomes:

"assets/images/pirate.png"

This is path concatenation — combining strings to form a complete file path.

Why it matters:

• Lets you organize assets cleanly
• Allows dynamic loading (e.g., load a sprite based on character type)
• Avoids hard‑coding every path manually

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Text Display

Strings are also used to show information to the player.

Examples:

• Score
• Health
• Dialogue
• Notifications
• Debug messages

Example:

const scoreText = "Score: " + this.score;

Or using template strings:

const scoreText = `Score: ${this.score}`;

Template strings are cleaner and easier to read.

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Example Code (Simple & Clear)

class Player {
    constructor(name) {
        this.name = name;
        this.score = 0;
    }

    getSpritePath() {
        const base = "assets/sprites/";
        return base + this.name.toLowerCase() + ".png";
    }

    getScoreText() {
        return `Score: ${this.score}`;
    }
}

const p = new Player("Ironhook");

console.log(p.getSpritePath());  // "assets/sprites/ironhook.png"
console.log(p.getScoreText());   // "Score: 0"

This demonstrates:

• Path concatenation
• Text display
• Template strings
• Using strings inside class methods

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Why Teachers Assign This

String operations show that you understand:

• How to build file paths dynamically
• How to format text for UI
• How to combine variables with text
• How to use template strings
• How to integrate text into game logic

Strings are everywhere in game development — menus, HUDs, dialogue, debugging, and asset loading all rely on them.

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Boolean Expressions

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