Richard Castera - Explorations in Software Development
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How to define your own JavaScript class

June 7, 2009 8 Comments

There are several ways to define a class in Javascript. I will be listing my favorite method below (JSON Method). It’s important to note that there are no real classes in JavaScript. Everything is considered an object. So below is our class definition:

JavaScript
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<script>
var Person = {
    age: "25",
    sex: "Male",
    location: "New York",
    getASL: function () {
        return 'Age: ' + this.age + ', Sex: ' + this.sex + ', Location: ' + this.location;
    }
};
</script>

So you can start using the class like this:

JavaScript
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<script>
Person.age = "29";
alert(Person.getASL());
<script>
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Written by: rcastera

About me

Hello, my name is Richard Castera. I have more than 12 years of experience architecting, implementing, leading and launching large scale, high performance software products in a fast-paced agile environment.

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