25444215.pptx

Fundamentals of Web
Development
With
HTML5, CSS3, JavaScript
Submitted To:
Dr. Roli Kushwaha
Assistant Professor,
ECE Dept.
Submitted By:
Jayesh Verma
40396202817
ECE,F-14

pment
Objectives
At the end of this module, you will be able to:
 Importance of Web Development
 Web Designer Vs. Web Developer
 Front-end and Back-end Web Development
 HTML, CSS and JavaScript - An Overview
 JavaScript Frameworks - jQuery and React.JS
 Advanced Web Development Topics

Importance of Web Development
 The Internet is ubiquitous
• Accessible through mobile and desktop
• Customers/users need to find you/your business
• Builds trust in your organization and improves your reputation
• Your website is your first round-the-clock sales person!
 The Website
• Creates first impression of your business
• Create it to suit the needs of your target audience
• Reflects your expertise and reputation
• Can bring business from any part of the world!
• Call to Action – Encourage the users to give you business
 You need Web Development skills to create a Website!

Web Designer Vs. Web Developer
 A Web Designer
• Designs the look and feel of a website (creative side of website)
• Decides the layout, fonts, color, images and overall branding
• Creates the visual mock-up of the website
• Rarely does the development of a website!
• A Right-brained (Creative) Person
 A Web Developer
• Brings the website mock-up to life on the Internet (development side of website)
• Develops the website and hosts on a web server
• Has Web Development Skills: HTML, CSS, JavaScript, React.js, Node.js
• A Left-brained (Logical) Person
 Gain Web Development skills to become a Web Developer!

Web Developer Vs. Web Designer

Front End and Back End Web Development
 Front End Web Development
• Defined components on the page with HTML
• Make them look pleasing with CSS
• Enable interactivity with JavaScript
• Enhance productivity with use of frameworks
 Back End Web Development
• Create the page components and content dynamically on the web server
• Send the HTML + CSS + JavaScript to web browser (used by a human user)
• Generate pages by programming in Java, JavaScript, PHP, Perl, Python, Ruby
• Aim to achieve fast response times to end users
 Front End Web Development is the focus of this webinar!

HTML, CSS, and JavaScript – An Overview
 HTML
• Hypertext Markup Language
• Structure of Page
 JavaScript
• Interactivity with User
• Dynamic Updates in a Web Page
 CSS
• Cascading Style Sheets
• Presentation/Styling
t

Hypertext - Origins
 HyperText
• Text with references (hyperlinks) to other text
 “Hyper” - meaning
• Greek Origin: “over”, “beyond”
 First Idea
• Vannevar Bush, USA, in 1945

A Simple HTML5 Page
t
 Save the following code in a test.html file
<!DOCTYPE html>
<html>
<head>
<title>This is My First Website </title>
</head>
<body>
<p>Welcome to HTML5, CSS3 and JavaScript!</p>
</body>
</html>

Hosting a Web Site
 A Web Site
• Serves one or more HTML Pages
Default Page: index.html, index.php
 Served / Hosted by a Web Server
• HTTP Web Server
https, apache2, Ngnix - Internet Information Server (Microsoft’s)
• Web Application Server
Visual Studio Code (Microsoft) , Sublime Text, Atom
 Technologies
• HTML, HTTP, TCP/IP Protocols
• Operating Systems: Linux, Windows, MacOS

HTML Page
 HTML (Web) Page / Document
• User Interface for the Web (site or application)
• A plain text file – human readable
• Transported on HTTP - HyperText Transfer Protocol
 Page Types
• Static – ready-made pages with fixed page content
File Extension: .html, .htm
• Dynamic – generated on the fly with varying page content
Generated on the Web Server
Interspersed with JavaScript, PHP, JSP, ASP
File Extensions: .js, .php, .jsp, .asp, .aspx

CSS - Introduction
 Cascading Style Sheet
• Describes the look and formatting of a page
• Used for Changing Presentation and Styling
• Can apply to a mark-up language
 HTML, XHTML, XML, SVG
 Separates Content from Presentation
 Properties (Attributes) Styled
• Layout, Font (Typography), Color, Background
• Box Properties: Border, Margin, Padding
• Lists, Tables
.

CSS Syntax (Contd./-)
 Style Selector
• The HTML elements to which the Style rule should be applied
• It is a match expression
• Specified as:
 Element’s tag name
 h1, p, label - case insensitive
 Value of Element’s attribute
 id, class - Case Sensitive
 Element’s placement in the Document tree
 Child element is nested within Parent
 A Sibling element is at the same nesting level

CSS Syntax (Contd./-)
 CSS Declaration Block
• List of Declarations
• Enclosed in curly braces { . . . }
• Declaration
 property : value(s) ;
• property and value(s) are pre-defined
• Property name is unique
• Property value – Specified in multiple formats
 keywords (words) or mnemonics (in combination with some symbols like: #, /)
 numerical, hexadecimal, or a combination
 some values may have units of measure

New CSS3 Selectors
Slide
15
 New CSS3 Structural Pseudo-Class Selectors
• E:first-of-type – Selects the first element of type E for its parent
li:first-of-type { color: red; }
• E:last-of-type - Selects the last element of type E for its parent
li:last-of-type { color: yellow; }
• E:only-child - Selects if E is only the child of its parent
li:only-child { color: blue; }
• E:nth-child(n) - Selects nth child of the element E
li:nth-child(3) { color: yellow; }
• E:nth-last-child(n) - Selects nth last child of the element E
li:nth-last-child(2) { color: red; }
.

CSS3 – 2D Transforms
Slide
16
 Transformation
• Change of position, shape and size of an element
 CSS3 Transforms
• 2-D: Two Dimensions
• 3-D: Three Dimensions (not covered in this course)
 Transform Operations
• move, scale, spin, stretch and turn elements

CSS3 – 2D Transforms (Contd./-)
Slide
17
 Specified with transform attribute
• Translation – Movement along X-axis and Y-axis
transform: translate( 50px, 100px );
• Rotation – in clock-wise direction
transform: rotate( 5deg );
• Scaling – increase/decrease size along width and height
transform: scale( 2, 2 );
• Skewing – tilting (turning) in X-axis and Y-axis directions
transform: skew( 10deg, 5deg);

CSS3 Transitions
Slide
18
 Changing from one style to another (on an event)
 CSS property on which the transition effect has to take place
 Time Duration over which transition has to take place (smoothly)
 Specified in seconds (s) or milliseconds (ms)
p { width: 100px; }
p:hover { width: 200px; transition: width 2s; }
 Transition starts on events
 Events: hover, active, checked, focus, enabled, disabled
 @media queries, and JavaScript
 Specify multiple transitions sets with a comma
p { width: 200px; height: 100px; }
p:hover {
width: 400px; height: 200px;
transition: width 2s, height 5s; }

JavaScript – An Introduction
Slide
19
 Mocha, later renamed as LiveScript - Developed by Netscape
 Based on ECMAScript 5.1 (Ver. 6.0 is finalized in mid 2015)
 LiveScript  JavaScript (due to Java popularity)
 Scripting Language for Web Browsers
• Dynamically Typed
• Interpreted by JavaScript Engine
 Can not Do (for Security Reasons)
• Unlimited reading/writing of files from client machine’s file system
• Writing to the files on the Server
• Can not close a window that was not opened by it
• Can not read from a web page served by another web server
 Microsoft’s version - JScript

Document Object Model (DOM) (Contd./-)
Slide
20
 Structure and Style of a Page, Access / Update Content
 DOM + JavaScript = Dynamic HTML (on client-side)
 What JavaScript can do with DOM?
 Change an HTML Element
 Change an attribute of an HTML Element
 Change the CSS style of an HTML Element
 Remove an existing HTML element or its attributes
 Add new a HTML Element or a new attribute to an Element
 React to an event associated with an HTML Element
 Create a new event listener and associate with an HTML Element

HTML DOM Methods
Slide
21
 DOM Methods – Finding HTML Elements
• getElementById() Method
 Gets the HTML Element with specified ID
• getElementsByClassName() Method
 Gets the HTML Elements with specified class name
document.getElementsByClassName("middlePara")[0].innerHTML = "Welcome
to My Website!";
document.getElementsByClassName("middlePara")[1].innerHTML = "This is
HTML5, CSS3 and JavaScript presentation!";
• getElementsByTagName() method
 Gets the HTML Elements with specified element tag
document.getElementsByTagName("p")[0].innerHTML = "Welcome to
My Website!";
document.getElementsByTagName("p")[1].innerHTML = "This is HTML5,
CSS3 and JavaScript presentation!";

jQuery - Introduction
Slide
22
 For use in production (live / online) use of website
 jQuery Core – a Cross-Platform JavaScript Library
• Simplifies client-side JavaScript scripting for a web page
• It is FREE and Open Source
• Used by about 6,000 most visited websites
• It uses the familiar HTML DOM model
 Latest Versions
• Version 1.11.3 - has support for IE 6/7/8
• Version 2.1.4 - has NO support for IE 6/7/8
• Development Version
 For use during development of the website
• Minified Version

jQuery - Introduction
Slide
23
• Supports JSON Parsing and Ajax (Asynchronous JavaScript + XML)
 Why use jQuery?
• JavaScript Framework
• Separates HTML and JavaScript in a web page
• Eliminates cross-browser incompatibilities
• Simple/Short, Clean and Easy to read, write and understand
 What jQuery can do?
• Can Select Elements
 Has Selectors are similar to CSS Selectors
• Can Manipulate the Selected Elements
• Can Modify the Style of the Selected Elements
• Supports Events, Effects and Animations

jQuery Basics
 Download the latest version
• From jquery.com website
 Reference it in HTML file
• Host it on your Web Server and Use it with <script> tag
<script src="jquery-2.1.3.js"></script>
• Point to a Public Web Server and Use it with <script> tag
 Google CDN Server (recommended) CDN – Content Delivery Network
<script src="http://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js">
</script>
 Microsoft CDN Server
<script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.11.2.min.js">
</script>
 MaxCDN CDN Server (moved from MediaTemple, before that Amazon)
<script src="http://code.jquery.com/jquery-2.1.3.min.js"></script>
• Do not put the jQuery code in the <script> tag that loads jQuery library

Advanced Web Programming Topics
Slide
25
 HTML Canvas, WebGL, SVG
 HTML5 Geolocation API
 HTML5 Drag and Drop API
 HTML5 Web Storage API
 HTML5 Web Workers
 HTML5 Server-sent Events

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