Appendix A. A JavaScript overview

JavaScript is the primary client-side programming language you’ll be using when writing HTML5 applications. Using JavaScript, you can select anything on a rendered page, save and work with data in memory, and communicate asynchronously with the server. Using additional frameworks such as jQuery, you can speed up your development tasks while reducing the volume of delivered code.

You may be somewhat familiar with the basics of JavaScript, but this appendix may still help you iron out some of the details that aren’t very apparent during normal operations. Things like unobtrusive JavaScript and method chaining can be a real challenge without a solid foundation in the language.

A.1. The JavaScript core language ...

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