What is the class syntax in JavaScript?
In JavaScript, class syntax is a way to create objects and handle inheritance using the class
keyword.
Can you give me an example of a simple class?
Sure! Here's a basic example:
class Animal {
constructor(name) {
this.name = name;
}
speak() {
console.log(`${this.name} makes a noise.`);
}
}
const dog = new Animal('Dog');
dog.speak(); // Dog makes a noise.
What about inheritance in classes?
Inheritance allows one class to inherit properties and methods from another. For example:
class Dog extends Animal {
speak() {
console.log(`${this.name} barks.`);
}
}
const dog = new Dog('Rex');
dog.speak(); // Rex barks.
Are there any differences between class syntax and function constructors?
Yes, class syntax is syntactical sugar over function constructors. Classes provide a clearer and more concise way to create objects and handle inheritance.
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