16 JavaScript Concepts You Must Know Well (Essential JavaScript Concepts for Modern JavaScript Development ) If you plan to work as JavaScript Professional, you must know some JavaScript concepts and JavaScript-related web-development technologies, particularly as a modern JavaScript developer. If you know the 16 concepts enumerated below, you have the skill necessary to build world-class modern JavaScript web applications, and you are set for the near future—0 to 3 years. I will expound on each of these sixteen concepts, and I am hopeful all of us will have become better JavaScript programmers by the time we get through all of them. I have completed most of the 16 concepts with just a few more to go, so keep reading and learning. And sign up for the newsletter to get the latest updates. I trust you have learned JavaScript properly or you already know JavaScript enough to build a simple JavaScript-only web application.
Getting Into Ember.js There are a lot of JavaScript libraries available, and most are really good at providing the traditional DOM-centric interactions that your typical websites need. But when it's time to build a manageable code base for a single-page app, that's where a whole suite of new frameworks come in to smooth things out. The old saying is true: "Use the best tool for the task." It's not that traditional libraries like jQuery can't help you build desktop-like experiences, it's just not the use-case for it and is missing things like data-binding, event routing and state management. I recently did an interview with the Ember.js team; it was motivated by my desire to get to know what I've come to call "the new hotness": Ember.js. Ember fits the bill for what I've described above, and does so in a fashion that reminds of a lot of how jQuery allows developers to get up and running quickly. Before we continue, a heads up: Ember.js does a lot of magic for you. So let's kick this off. Core Concepts Templates
MVC Architecture As modern browsers become more powerful with rich features, building full-blown web applications in JavaScript is not only feasible, but increasingly popular. Based on trends on HTTP Archive, deployed JavaScript code size has grown 45% over the course of the year. With JavaScript's popularity climbing, our client-side applications are much more complex than before. Application development requires collaboration from multiple developers. Design patterns are important to write maintainable and reusable code. In the last few years, a series of JavaScript MVC frameworks have been developed, such as backbone.js, ember.js, AngularJS, Sencha, Kendo UI, and more. MVC offers architectural benefits over standard JavaScript — it helps you write better organized, and therefore more maintainable code. MVC is composed of three components: Model is where the application’s data objects are stored. The model here represents attributes associated with each todo item such as description and status. Pros:
95+ Stunning Jquery Effects, Lightbox, Tutorials JQuery is one of the most popular JavaScript frameworks which are powerful tools and huge benefit for developers to improves the designs integration with Web applications. This article will briefly introduce you to the jQuery with excellent examples. JQuery is really wonderful plug-in for designers which are giving attractive functionality to the web sites. Even now day’s every designers focusing on Jquery because of needs to have functionality out of the box that can be accessed by using this. 01. In this demo, what appears to be a regular static image gallery is given some extra interactivity by using a multi-layer zoom effect when hovering over an image. 02. This demo shows the much used Flash effect of circling an image around a page – all done using jQuery. 03. Although this demo may seem like eye-candy at first glance, it could be a very powerful tool for working with large images when coupled with AJAX or HTML5 local storage. 04. 05. 06. 07. 08. 10. 11. 12. 13. 14. 15. 16. 17. 19.
jQuery UI Rack from the Beginning This post is out of date and contains some technical errors. Checkout the Rack Bootcamp for an update version with new sections. Rack is the HTTP interface for Ruby. Dead Simple Rack Applications Rack applications are objects that respond to call. class HelloWorld def response [200, {}, 'Hello World'] end end This class is not a Rack application. class HelloWorldApp def self.call(env) HellowWorld.new.response end end I've made a simple class that implements call. # hello_world.rb require 'rack' require 'rack/server' class HelloWorld def response [200, {}, 'Hello World'] end end class HelloWorldApp def self.call(env) HelloWorld.new.response end end Rack::Server.start :app => HelloWorldApp Here's what happens when you run this script: $ ruby hello_world.rb >> Thin web server (v1.4.1 codename Chromeo) >> Maximum connections set to 1024 >> Listening on 0.0.0.0:8080, CTRL+C to stop Simply open and you'll see "Hello World" in the browser. Env Now visit
jQuery #151 Rack Middleware Rack middleware is a way to filter a request and response coming into your application. In this episode I show how to modify the response body using middleware. Download: source codeProject Files in Zip (94.7 KB)mp4Full Size H.264 Video (20.3 MB)m4vSmaller H.264 Video (13.4 MB)webmFull Size VP8 Video (36.2 MB)ogvFull Size Theora Video (28.3 MB) google/google-api-nodejs-client