Singleton Design Pattern
The singleton design pattern restricts instantiation to a single instance and enables a delayed instantiation. This enables a public constant API to retrieve the instance while validating that only one instance of it can ever be created. Making it easy to share the object with multiple objects.
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- Delayed instantiation of an object. - A constant interface to gain access to the object. - Only one instance of the object is needed.
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Factory Design Pattern
- When we need to have more control on customizing an item. - Removes the need for the implementing object to know how to implement. - Makes it easy to update and add more versions or updates of the
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Abstract Factory Design Pattern
- When you need implementation of your factory to be more dynamic. - Only logical when it's expected to enable developers to extend functionality. - Avoid over complication when this usage is not n
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Builder Design Pattern
- The jQuery $ method is a builder. - Multiple objects are needed. - Many steps are needed.
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Builder Design Pattern Continued
- Fully integrating our builder into our Singleton. - See the builder in action. - Send you off to do some homework.
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Prototype Design Pattern
- More efficient on memory to reuse methods. - Built in to the language capabilities. - Very easy to implement.
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