JavaLearn/objectsClasses.html at master · jhavishesh7/JavaLearn · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Objects & Classes - JavaScript Mastery</title>
  <style>
    body { background: #121212; color: #fff; font-family: sans-serif; padding: 20px; }
    pre { background: #1e1e1e; padding: 10px; border-radius: 5px; margin-bottom: 20px; }
    .output { background: #222; color: #b9f6ca; padding: 12px; border-radius: 5px; min-height: 40px; margin-bottom: 20px; white-space: pre-line; }
    .btn { display: inline-block; background: #4caf50; color: white; font-size: 1.1em; padding: 10px 24px; border-radius: 6px; text-decoration: none; margin-top: 20px; }
    .btn:hover { background: #388e3c; }
    .explanation { background: #263238; color: #ffe082; border-radius: 6px; padding: 18px; margin-top: 30px; font-size: 1.08em; line-height: 1.7; }
    .explanation h2 { color: #ffd600; margin-top: 0; }
  </style>
</head>
<body>
  <h1>Objects & Classes</h1>
  <pre><code>let car = {
    brand: "Toyota",
    model: "Camry",
    displayInfo() {
        return `${this.brand} ${this.model}`;
    }
};

function Person(name, age) {
    this.name = name;
    this.age = age;
}
Person.prototype.greet = function() {
    return `Hi, I'm ${this.name}`;
};

class Animal {
    constructor(name) {
        this.name = name;
    }
    speak() {
        return `${this.name} makes a noise`;
    }
}

let output = `Car Info: ${car.displayInfo()}\n\n`;

let person1 = new Person("Alice", 25);
output += `Person Greeting: ${person1.greet()}\n\n`;

let dog = new Animal("Rex");
output += `Animal Sound: ${dog.speak()}`;

document.getElementById('output').textContent = output;</code></pre>
  <div class="output" id="output"></div>
  <a href="index.html" class="btn">Back to Index</a>
  <div class="explanation">
    <h2>Explanation</h2>
    <ul>
      <li><b>let car = {...}</b> — Creates an object <b>car</b> with properties and a method.</li>
      <li><b>function Person(name, age)</b> — Constructor function for creating people objects.</li>
      <li><b>Person.prototype.greet</b> — Adds a method to all Person objects.</li>
      <li><b>class Animal {...}</b> — ES6 class syntax for creating animal objects with a <b>speak</b> method.</li>
      <li>The <b>output</b> variable collects the results and is displayed in the green output box above.</li>
    </ul>
  </div>
  <script>
    let car = {
      brand: "Toyota",
      model: "Camry",
      displayInfo() {
        return `${this.brand} ${this.model}`;
      }
    };
    function Person(name, age) {
      this.name = name;
      this.age = age;
    }
    Person.prototype.greet = function() {
      return `Hi, I'm ${this.name}`;
    };
    class Animal {
      constructor(name) {
        this.name = name;
      }
      speak() {
        return `${this.name} makes a noise`;
      }
    }
    let output = `Car Info: ${car.displayInfo()}\n\n`;
    let person1 = new Person("Alice", 25);
    output += `Person Greeting: ${person1.greet()}\n\n`;
    let dog = new Animal("Rex");
    output += `Animal Sound: ${dog.speak()}`;
    document.getElementById('output').textContent = output;
  </script>
</body>
</html>