Chapter 1. A Refresher on jQuery and the Composite Pattern

Until the Web 2.0 era started, the Web was just a document-based media and all it offered was just interconnecting different pages/documents and client-side scripting that was mostly limited to form validation. By 2005, Gmail and Google Maps were released, and JavaScript proved itself as a language used by big enterprises to create large-scale applications and provide rich user interface interactions.

Even though JavaScript has had very few changes since its original release, there was a tremendous change in the expectations that the Enterprise world had about what web pages should be capable of doing. Since then, web developers were required to deliver complex user interactions and, finally, ...

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