Prototype Design Pattern
The prototype is one of the most natural design patterns that are built into the language.In this lecture, we will see hands on how easy it is to implement this design pattern in JavaScript. The main concept is duplicating methods for reuse instead of creating new ones. This is very effective way of reducing memory usage as well as we are not creating a new method but creating a link to it.
Singleton Design Pattern
- 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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