Book Image

jQuery Design Patterns

By : Thodoris Greasidis
Book Image

jQuery Design Patterns

By: Thodoris Greasidis

Overview of this book

jQuery is a feature-rich JavaScript library that makes HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works across a variety of browsers. With a combination of versatility and extensibility, jQuery has changed the way that millions of people write JavaScript. jQuery solves the problems of DOM manipulation, event detection, AJAX calls, element selection and document queries, element attribute and data management, as well as object management utilities. This book addresses these problems and shows you how to make the best of jQuery through the various design patterns available. The book starts off with a refresher to jQuery and will then take you through the different design patterns such as facade, observer, publisher/subscriber, and so on. We will also go into client-side templating techniques and libraries, as well as some plugin development patterns. Finally, we will look into some best practices that you can use to make the best of jQuery.
Table of Contents (18 chapters)
jQuery Design Patterns
About the Author
About the Reviewer

Introducing Underscore.js

Underscore.js is a JavaScript library that provides a collection of utility methods that help web developers work more efficiently and focus on the actual implementation of their application rather than bothering with repetitive algorithmic problems. Underscore.js is, by default, accessible through the "_" identifier of the global namespace and that's exactly where its name comes from.


As with the $ identifier in jQuery, the underscore "_" identifier can also be used as a variable name in JavaScript.

One of the utility functions that it provides is the _.template() method, which provides us with a convenient way of interpolating specific values into existing template strings that follow a specific format. The _.template() method recognizes three special placeholder notations inside templates, which are used to add dynamic characteristics:

  • The <%= %> notation is used as the simplest way to interpolate a value of a variable or an expression in a template...