JavaScript Programming

A warm welcome to the JavaScript course by Uplatz.

JavaScript is a widely used high-level programming language primarily used for creating dynamic and interactive websites. It is a versatile language that allows developers to add functionality to web pages, handle user interactions, and manipulate content on the client-side (in the user's web browser). Additionally, with the introduction of Node.js, JavaScript can also be used on the server-side for building scalable web applications.

Key features of JavaScript include:

1. Client-Side Scripting: JavaScript is mainly known for its ability to run in web browsers, enabling developers to create interactive and dynamic web pages. It can modify the HTML and CSS of a page on-the-fly, allowing for real-time updates and a more engaging user experience.

2. Event Handling: JavaScript enables developers to respond to various events such as button clicks, mouse movements, keyboard input, and form submissions. These event handlers make web pages more interactive and responsive.

3. DOM Manipulation: The Document Object Model (DOM) is a representation of the web page's structure, and JavaScript provides powerful methods to interact with it. Developers can access, modify, and create HTML elements and CSS styles dynamically using JavaScript.

4. Asynchronous Programming: JavaScript supports asynchronous programming using techniques like callbacks, Promises, and async/await, allowing developers to handle time-consuming tasks without blocking the main execution thread.

5. Cross-platform Compatibility: JavaScript is supported by all major web browsers, making it a platform-independent language. This means that JavaScript code written for a web page will run on various browsers across different operating systems.

6. Libraries and Frameworks: There are numerous libraries and frameworks built on top of JavaScript, such as React, Angular, and Vue.js, which provide additional tools and abstractions for building complex web applications.

7. Server-Side Development: With Node.js, JavaScript can be used on the server-side, allowing developers to build server applications using the same language and ecosystem as the client-side.

8. JSON (JavaScript Object Notation): JavaScript uses JSON for data interchange, making it easy to communicate and exchange data between the client and server.

JavaScript is an essential component of web development, and its versatility, ease of use, and wide adoption make it a popular choice for both beginners and experienced developers. It continues to evolve with new features and specifications, making it a powerful language for building modern web applications.

Uplatz provides this comprehensive JavaScript course with end-to-end demonstration of concepts starting from the most fundamental to the most advanced features of JavaScript. This course also includes the a full session (with free downloadable booklet) on the most important JavaScript interview questions and answers. Additionally, this JavaScript training provides you a comprehensive session on logical reasoning problems & solutions in JavaScript, again with a freely downloadable booklet of the session.

This JavaScript training will empower you with the skills to design client-side, platform-independent solutions that greatly increase the value of your Web site by providing interactivity and interest. You will learn how to use JavaScript to communicate with users, modify the Document Object Model (DOM), control program flow, validate forms, animate images, create cookies, change HTML on the fly, and communicate with databases.

By the end of this JavaScript course, you will be able to understand the core concepts and programming constructs on JavaScript and be able to use JavaScript to build complex web applications.

JavaScript Course Objectives

Some of the main objectives of this course include helping you understand:

• What JavaScript is and where it is used

• Basic programming concepts like variables, data types and conditional statements

• What functions are and why they're useful

• Build and use logical statements to make decisions within your code

• Build JavaScript programs leveraging functions, loops and iterative programming constructs

• Make your web pages comes to life with Interactive Content

• Handle data and updating page content without page refreshes using JSON and AJAX

• Incorporating JavaScript into your HTML pages

• How to troubleshoot programming problems

• The syntax of the JavaScript programming language

• Implement and maintain hypertext-based Web sites using authoring and scripting languages

• Create Web content

• Use Web management tools and digital media tools

• Apply human-factor principles to design

• Get a strong foundation in JavaScript to become ready for Full Stack Web Development using frameworks like Angular and Node.js

• Proceed on your journey for MEAN/MERN web developer career tracks

JavaScript Course Syllabus

Introduction to JavaScript

• Introduction to Scripting

• JavaScript Characteristics

• JavaScript and Common Programming Concepts

• JavaScript Flavors and Versions

• Technologies Based on JavaScript

• Server-Side vs. Client-Side Applications

• Annotating Your Code with Comments

• Expanding the Role of JavaScript

Working with Variables and Data in JavaScript

• Using JavaScript to Communicate with the User

• Using Data More Than Once: Variables

• JavaScript Operators

• JavaScript Expressions

• JavaScript Alerts and Prompts

• Inline Scripting, Simple User Events and Basic Event Handlers

• JavaScript Keywords and Reserved Words

Functions, Methods and Events in JavaScript

• Introduction to Functions

• Defining a Function

• Calling a Function

• Methods as Functions

• Types of Functions

• User Events and JavaScript Event Handlers

Debugging and Troubleshooting JavaScript

• What Is Debugging?

• Tools for Debugging Code

• Testing Code in Various Browsers

• Debugging Logic Errors

• JavaScript and Mobile Devices

Controlling Program Flow in JavaScript

• Controlling Decisional Program Flow

• The if...else Statement

• The while Statement

• The do...while Statement

• The for Statement

• The break Statement

• The continue Statement

• The switch Statement

The JavaScript Document Object Model (DOM)

• The JavaScript Document Object Model (DOM)

• The window Object

• The document Object

• The image Object

• The history Object

• The location Object

• The navigator Object

• The Virtual DOM

JavaScript Language Objects

• Introduction to JavaScript Language Objects

• The String Object

• Evaluating Strings

• JavaScript Regular Expressions

• The Array Object

• The for Each Method

• The Map Method

• The Date Object

• Setting and Extracting Time Information

• The Math Object

Custom JavaScript Objects

• Creating Custom Objects

• Creating a JavaScript Object: The Constructor

• Creating an Instance of a Custom Object

• Creating Object Methods

• Creating Functions for Your Objects

• Concept of Classes

• Iterators and Generators

• Call, apply and bind

Changing HTML on the Fly

• Changing HTML on the Fly

• Using the getElementById Method

• Using the getElementsByName Method

• Using the getElementsByTagName Method

• Using the getElementsByClassName Method

• Modifying Attributes within the DOM

• Appending Text to the DOM

Developing Interactive Forms with JavaScript

• Interactive Forms

• Overview of Form Elements

• Referring to Form Elements

• The form Object

• The input Elements and text Objects

• The textarea object

• The select Object

• Form Validation

• Common form Security Errors

JavaScript Security

• Introduction to JavaScript Security Issues

• Browser vs. Operating System

• Browser-Specific Security Issues

• Browser Compatibility and Client-Side Detection

• Script Blocking

• Differences in document.write Among Browsers

• Malicious and Accidental Coding

• Frame-to-Frame URL Changing

• Signed Scripts

• Cross-Site Scripting (XSS)

• Cookies and Security in JavaScript

• Ethics in Collecting, Storing, Using and Protecting User Data

• Creating Secure JavaScript Code

JavaScript Libraries and Frameworks

• Introduction to JavaScript Libraries and Frameworks

• Choosing a Code Library

• External and Pre-made Scripts

• Loading Your First Library

• Using JavaScript Library Plug-ins

• Using Frameworks

• Best Practices with JavaScript Libraries and Frameworks

• Copyright Issues and JavaScript

JavaScript and AJAX

• Introduction to AJAX

• Handling Data and Content Types

• Interactions Among JavaScript, Data and HTML

• Using AJAX Scripts

• AJAX and Servers

• AJAX and Databases

• Usability Issues with AJAX

• Combining AJAX with Libraries

Introduction to Web APIs

• Web Application Programming Interface (API)

• The Web Storage API

• The Geolocation API

• The Canvas API