Packtpub-Rapid Underscore.js

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Packtpub-Rapid Underscore.js

Packtpub-Rapid Underscore.js
49 minutes | Monday, March 30, 2015 | Video: AVC (.mp4) 1280x720 25fps | Audio: AAC 48KHz 2ch | 187 MB
Genre: eLearning | Language: English | With: Code Files


Rapid Underscore.js is aimed at javascript web developers who have experience building web applications, helping them to expand their skill set and take advantage of everything that Underscore.js has to offer.
About This Book

Take functional programming to the next level with the aid of the Underscore library
Learn why Underscore is a great addition to any javascript programmer's toolbelt
Create an exciting International Space Station project, one step at a time

Table of Contents

INTRODUCTION TO UNDERSCORE
PROCESSING ARRAYS
DEALING WITH OBJECTS
FUNCTIONS
WRAPPING UP

What You Will Learn

Develop an International Space Station application using the highly useful Underscore.js library
Integrate Underscore.js with your browser or Node.js-based javascript project
Process and transform arrays using Underscore's iteration capabilities for performance enhancement
Group, sort, and filter of data for efficient data management
Use Underscore.js templating to simplify your HTML generation
Get a glimpse of other libraries such as Lodash that extend Underscore

In Detail

Underscore.js is a library of utility functions for javascript that helps to minimize the complexity most users face in building programs, that is, simplifying their javascript code. It can be used with any other library or framework and provides many useful methods for this very reason. It works great as an addition to jQuery, Angular.js, Backbone.js, or any other framework you might be using, or you can use it with plain old javascript.

Rapid Underscore.js is a quick introduction to making the most of the Underscore.js library. Using a practical example project it shows you not just how but why you would want to use Underscore.js' methods.

We'll start off by learning what the Underscore.js library is and why you would want to use it, and discover how to incorporate Underscore.js into an existing Browser or Node.JS-based project. Further, we will dive deeper into the Underscore.js concepts that can help us deal with arrays and objects using Underscore's functions for filtering, grouping, and sorting. We will explore javascript's "this" context to manage binding and see how new functions can easily be made by partially applying the existing functions. We'll control the running of a function using debounce, throttle, once, and after, and also how this leads to simplifying techniques when building user interfaces and dealing with outside data sources. Finally, we'll learn Underscore's HTML templating abilities and chaining and finish up with a brief taste of libraries that extend Underscore.

By the end of this course, you will understand how Underscore.js helps you to efficiently develop web applications using a functional approach to javascript.

Style and Approach

This is a step-by-step video course, presented in short videos that help you understand the major aspects of the abundant Underscore.js library. Each video will apply different aspects of Underscore.js to a continuously growing example project, which you can follow along and create for yourself.

Authors

Thomas Parslow

Thomas Parslow is a Brighton-based freelance developer specialising in javascript and Python. He has been writing software for over almost two decades and has worked in both IT industry and academia for applications ranging from robotics control and computer vision through to touch surfaces and web applications. Thomas is a co-organizer of the successful learn-to-code workshop Coding For Humans and regularly speaks at technical events.

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Tags: Packtpub, Underscore

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