JAVASCRIPT EvolutionWORLDS MOST POPULAR PROGRAMMING LANGUAGE

JavaScript History

Is a native programming language for web Developed by Brendan Eich at Netscape, 1995 Standardized in the ECMA script language specification by W3

W3 – World Wide Web

Netscape

Before 1994

Web in 1995

First web site - late1995

Beginning of Internet Evolution

DHTML (DYNAMIC HTML)

FORM VALIDATION

TICKERS & POP UPS

DEMO

ROLLOVERS

DEMO

AJAX (Asynchronous JavaScript And XML)

Used to send data from Client(browser) to Server your post a form or click a link with data. Browser would then loads a whole complete new page.

Effective but not efficient

Came XMLHttpRequest(XHR). This allowed to send data in background

Using DHTML & AJAX allowed to load portion of page – more effective.Took years to standardize across browsers

XHR (XML Http Request)

RECIPE: + + + HTML + XHR

2005 GOOGLE MAPS

2004 GOOGLE MAIL

2000OUTLOOK WEB

JSON (JavaScript Object Notation)

Text based format for Data Exchange

Mechanism to encode data as text

Similar to XML by the way, that is readable by human and passable by computer

More compact and light weight than XML

jQuery (write less do more)

jQuery is a fast, small, and feature-rich JavaScript library

DOM Manipulation

Allows developers to find and manipulate document elements fast & easier than earlier

Simplifies DOM travesing

2006

Best Frameworks

Frameworks – Offers developers client-side MVC, Templating & Data-binding

jQuery Frameworks

jQuery VS AngularJS

jQuery AngularJSMVC Pattern support No YesTemplating No YesTwo way data binding No YesIntegration test runner No YesDependency Injection No yesDeep link Routing No YesLocalization No Yes

JavaScript on Server-Side

NodeJS: Server side coding using JavaScript

MEAN ( Full stack) M – Mongo E – Express A – AngularJS N - NodeJS

Learning curve

Questions

At least 1?

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