Mastering JavaScript Design Patterns

Hints and tips

Creational patterns allow for specialized behavior in creating objects. In many cases, such as the factory, they provide extension points into which crosscutting logic can be placed. This means the logic applies to a number of different types of objects. If you're looking for a way to inject, say, logging throughout your application, then being able to hook into a factory is of great utility.

Despite the utility of these creational patterns, they should not be used very frequently. The vast majority of your object instantiations should still be just the normal method of newing up objects. Although it is tempting to treat everything as a nail when you've got a new hammer, the truth is that each situation needs to have a specific strategy. ...