What techniques can be used to define a class in JavaScript, and what are their trade-offs?

Question

I prefer to use OOP in large scale projects like the one I\'m working on right now. I need to create several classes in JavaScript but, if I\'m not mistaken, there are at le

Answer 1

I think you should read Douglas Crockford's Prototypal Inheritance in JavaScript and Classical Inheritance in JavaScript.

Examples from his page:

Function.prototype.method = function (name, func) {
    this.prototype[name] = func;
    return this;
};

Effect? It will allow you to add methods in more elegant way:

function Parenizor(value) {
    this.setValue(value);
}

Parenizor.method('setValue', function (value) {
    this.value = value;
    return this;
});

I also recommend his videos: Advanced JavaScript.

You can find more videos on his page: http://javascript.crockford.com/ In John Reisig book you can find many examples from Douglas Crockfor's website.