By Jack Franklin

Beginning jQuery is your step by step advisor to studying the jQuery library. jQuery is the preferred JavaScript library within the net developer’s toolkit. Jack Franklin takes you from the fundamentals of getting you began with jQuery, all through to extending jQuery via writing your individual plug-ins. You'll notice most sensible practices you could stick with, how one can steer clear of universal blunders, and you'll learn approximately such a lot of of the issues that jQuery has to supply, together with how one can: * Use jQuery’s robust instruments to dynamically replace content material in your web site, together with DOM manipulation.
* expand jQuery’s features by means of writing your personal plugins on most sensible of the framework.
* Animate parts and construct your personal jQuery slider.
* hire top practices and keep away from universal error made through rookies.

JavaScript is a strong language yet each internet developer needs to navigate the difficult matters round cross-browser inconsistencies. Beginning jQuery teaches you the way to use jQuery to prevent spending a while solving those browser insects - letting you think about what rather concerns to you. all through Beginning jQuery, you'll become aware of how expressive but concise jQuery’s code is and what sort of swifter and effective you could increase with jQuery!

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Additional resources for Beginning jQuery

Example text

They also help us identify layers containing direct relationships that could be replaced with sets of subjects and observers. This effectively could be used to break down an application into smaller, more loosely coupled blocks to improve code management and potential for reuse. Further motivation behind using the Observer pattern is where we need to maintain consistency between related objects without making classes tightly coupled. For example, when an object needs to be able to notify other objects without making assumptions regarding those objects.

Due to the dynamic relationship between subscribers and publishers, the update dependency can be difficult to track. Publish/Subscribe Implementations Publish/Subscribe fits in very well in JavaScript ecosystems, largely because at the core, ECMAScript implementations are event driven. This is particularly true in browser environments, as the DOM uses events as its main interaction API for scripting. That said, neither ECMAScript nor DOM provide core objects or methods for creating custom events systems in implementation code (with the exception of perhaps the DOM3 CustomEvent, which is bound to the DOM and is thus not generically useful).

Behavioral Design Patterns Behavioral patterns focus on improving or streamlining the communication between disparate objects in a system. Some behavioral patterns include: Iterator, Mediator, Observer, and Visitor. 16 | Chapter 7: Categories of Design Patterns CHAPTER 8 Design Pattern Categorization In my early experiences of learning about design patterns, I personally found Table 8-1 a very useful reminder of what a number of patterns has to offer. It covers the 23 design patterns mentioned by the GoF.

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