JavaScript and Node FUNdamentals: A Collection of by Azat Mardan

By Azat Mardan

https://leanpub.com/jsfun

A brief learn to sweep up and refresh JavaScript and Node.js topics:

JavaScript basics: The strong and Misunderstood Language of The Web

CoffeeScript basics: the higher JavaScript

Backbone.js basics: The Cornerstone of JavaScript MV* Frameworks

Node.js basics: JavaScript at the Server

Express.js basics: the preferred Node.js Framework

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Extra info for JavaScript and Node FUNdamentals: A Collection of CoffeeScript, Node.js, Backbone.js Essential Basics

Sample text

Log(new Date());". js script that is running is a process in its essence. js programs running on a machine. js process examples using pid and cwd. js As you know from JS FUNdamentals⁵, browser JavaScript by default puts everything into its global scope. This was coined as one of the bad part of JavaScript in Douglas Crockford’s famous [JavaScript: The Good Parts]. js was designed to behave differently with everything being local by default. In case we need to access globals, there is a global object.

To begin with, we can add extra properties of string type understandable by jQuery as selectors to homeView: 1 2 3 4 5 ... cart-box', ... We can use properties from above in the template, or just hard-code them (we’ll refactor our code later) in homeView: 1 2 3 4 5 6 ... template('Apple data: \

    \

\

'), ... js FUNdamentals: The Cornerstone of JavaScript MV* Frameworks 1 2 3 4 5 6 48 ... showCart, this); }, ... The syntax for the binding event is covered in the previous section.

Spinner or ajax-loader, see the picture below) to users to notify them that the information is being loaded. Spinner GIF It’s a good thing that we have event binding in Backbone. The event binding is not an exclusive to Backbone feature, because it is part of jQuery. But without Backbone organization and code structure, things tend to end up messier (with plain jQuery). For example, we’ll have to pass a function that renders HTML as a callback to the data loading function, to make sure that the rendering function is not executed before we have the actual data to display.

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