javascript factory functions
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sure! factory functions in javascript are a common design pattern used to create and return objects. they are called factory functions because they act as factories that produce new objects.
here's a step-by-step tutorial on how to create and use factory functions in javascript:
1. define a factory function: create a function that returns an object. inside this function, you can define the properties and methods of the object you want to create.
2. use the `return` statement: make sure to use the `return` statement to return the newly created object from the factory function.
3. create instances: call the factory function to create new instances of the object.
here's an example of a simple factory function in javascript:
in this example, the `createperson` factory function takes `name` and `age` as parameters and returns an object with those properties and a `greet` method. we then create two instances of person objects using this factory function.
factory functions are useful when you need to create multiple instances of objects with similar properties and methods. they provide a simple and reusable way to create objects in javascript.
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