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Web Development: Unraveling HTML, CSS, and JavaScript

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Commencing the Journey: Introductions and Conventions

Introduction Conventions

A Short Tour of HTML, CSS, and JavaScript

Getting Started with Live Coding!Hands-On: Diving into HTML Basics How it Works: Creating a Basic HTML Page Hands-On: Formatting the HTML Page How It Works: Formatting Our HTML Page Inline Styling Our HTML Page Hands On: Using an Embedded Style Sheet How It Works: Using an Embedded Style Sheet Hands On: Moving Styles into a Separate File How It Works: Moving Styles into a Separate File Hands On: Defining Visual Behavior with CSS How It Works: Defining Visual Behavior with CSS Hands On: Adding Actions to the Web Page with JavaScript How It Works: Adding Actions to the Web Page with JS Meeting the DOM Leveraging Page Inspector Hands On: Using jQuery How jQuery Works Debugging JavaScript Summary

HTML5: First Impressions and Beyond

The Unordinary Story of HTML5 What's Behind the Term HTML5?HTML5 Markup Basics Using HTML <head>Defining HTML Content Exercises: Content and Structure Enriching Web Pages: Rendering Text Rendering Text: Code Along Exercises Using Reserved Characters and Symbols in HTML Adding Paragraphs and Text Breaks in HTML Enriching Web Pages: Adding Headings Enriching Web Pages: Adding Lists Enriching Web Pages: Adding Links Enriching Web Pages: Adding Images Lists, Links, and Images: Bonus Fun Exercise!Summary

Achieving Richer User Experience with HTML

What it's All About Old Style: The Omnipotent <div>Structure and Semantics Headers HTML Footers Sections Figures in the Page Sidebars Navigation Other Semantic Elements World of HTML Tables Defining a Simple Table in HTML Spanning Rows and Columns Markup for Table Headers Defining Styles for Tables Table Captions Compound Tables Hands On: Scrolling the Table Body How It Works: Scrolling the Table Body Making Things Exciting With Multimedia New HTML5 Markup How It Works: Using the Video Tag Hands On: Using the Video Tag Video Formats Hands On: Supporting Multiple Video Formats How It Works: Supporting Multiple Video Formats Video Resilient Web Pages and the Audio Tag What You Cannot Do with <video> and <audio>Summary

Forms and Controls

Web Forms Basics Hands On: Representing Web Forms in HTML Controls Overview Hands On: Using Controls to Build Web Forms How It Works: Using Controls to Build Web Forms Hands On: Using Controls that Allow Specifying Options Hands On: Sending and Processing Form Data How it Works: Sending and Processing Form Data Hands On: Catching Data at the Server How it Works: Catching Data at the Server Using GET and POST Hands On: Making Use of More Controls How it Works: Making Use of More Controls Using Hidden Fields Using <optgroup> in Dropdown Lists Using Buttons Form Validation Validation Attributes Validation and JavaScript Summary

A Few More Things On HTML

Other HTML Elements Thematic Breaks Quotes Images and Mappings Visualizing Progress Refining Markup Details Inline Frames Custom Attributes Hands On: Painting the Canvas How it Works: Painting the Canvas Hands On: Vivifying the Canvas How it Works: Vivifying the Canvas Hands On: Drawing the Trajectory How it Works: Drawing the Trajectory What Else You Can Do with a Canvas Facing the Past and Future of HTML5 Issues with New HTML5 Tags HTML5 Tools and Validation Checking HTML5 Compatibility Summary

Delving into the Document Object Model

DOM Basics Ubiquitous Language of Page Representation Cornerstone of Interactions The DOM Application Programming Interface What the DOM Covers Hands On: Querying the Document How it Works: Querying the Document Hands On: Changing the DOM How it Works: Changing the DOM Hands On: Completing Event Handling Navigating in the Document Tree Node Navigation Basics A Brief Navigation Reference Element Specific Properties Changing the Document Tree Adding New Child Elements to the Document Adding Adjacent Elements Removing and Replacing Elements Changing Attributes and Element Style Using Event Parameters Going Global: Global Attributes Going Global: Global Events Summary

Entering the Realm of JavaScript

A Couple of JavaScript Peculiarities

A Brief History of JavaScript

Objects and Dynamism

Functions are First Class Citizens

Regular Expression Literals

Placing JavaScript in HTML

JavaScript Syntax Basics

Argument Passing

Understanding Scopes

Working With the Boolean Type

Working With the Number Type

Converting to the Number Type

Working With the String Type

Converting to Strings

String Properties and Functions

Working With the Date Type

Working With the Object Type

A Quick Overview of Function Prototypes

Instance Properties and Methods

Working With the Array Type

Array Conversions

Array Operations: Creating Stacks and Queues

Array Methods to Manipulate Strings

Array Methods to Change Element Ordering

Advanced Array Operations

Unary Operators

Arithmetic Operators

Equality Operators

Relational and Boolean Operators

Bitwise Operators

Assignment Operators

Conditional, Comma, typeof, and instanceof Operators

Operator Precedence

The if, while, and do-while Statements

The for and for-in loops

The switch and with Statements

Advanced JavaScript Programming

The JavaScript Object Notation Serializing and Parsing JSON Functions Specifying Function Expressions Recursive Functions Closures Programming with Objects Object Properties Removing Object Properties Instantiating Objects Using Object Prototypes Object Inheritance Modularity The Browser Object Model Methods of the Windows Object The History Object The Location Object The Navigator Object The Screen Object Error Handling The onerror Event Managing Errors Summary

Introducing CSS in Style

Styles and Cascading Style Sheets Styling Page Elements CSS At-Rules The Concept of Cascading Selectors Attribute selectors Group Selectors and the Universal Selector Pseudo-Element and Pseudo-Class Selectors Descendent Selectors Child Selectors Sibling Selectors Other Selectors Style Properties Colors Length, Size Types and URL Values Baseline Style Sheet The Cascading Order Selector Group Priorities Calculating Selectivity Location Priorities Media-Dependent Style Sheets Adding Media Style Sheets Media Queries Summary

Basic Style Patterns

Text Formatting Font Type, Size, and Color Text Styles Paragraphs Styling Lists Using Web Fonts The Box Model Margins and Paddings Special Behavior of Margins Setting Up Borders Height and Width of the Box Boxing Inline Elements Using Floating Elements Using Background Images Positioning Background Images Aligning Background Images with Borders and Paddings Sizing Background Images The Background Shorthand Notation Styling Tables Basic Font and Colors Adjusting Text Setting Up Table-Specific Properties Styling Tips for Forms Summary

Conclusion

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Converting to Strings

Converting to Strings

In this lesson, we'll learn how to convert various data types to strings. Let's begin!

Almost all values (including reference values and primitive values) have a toString() method that can be used to convert the value to a string. If the value is a Number, you can pass an integer argument to toString(), which represents the base of the conversion. Its value must be between 2 and 36:

var num = 73;
console.log(num.toString(2));  // 1001001
console.log(num.toString(8));  // 111
console.log(num.toString(16)); // 49
var num1 = 17.25;
console.log(num1.toString(2)); // 10001.01

As you can see from this short code ...