Learn JavaScript From Scratch With This Great Online Course

There is no question that JavaScript is currently among the most important programming languages available. JavaScript has been able to scale to an exponential level with the help of the development and expansion of the internet. Over the course of the past two decades, there have been multiple releases of the language, and because there have also been continuous additions and deletions, there is a lot to keep up with.

JavaScript for Beginners

The free Online certification course by Simplilearn:

In this course, you will be able to learn JavaScript from scratch, all the way up to more advanced concepts, with the assistance of the Free JavaScript course. You will get hands-on experience with a variety of JavaScript applications, each tailored to a specific purpose. At the conclusion of the class, you will have acquired the knowledge and skills necessary to construct basic programs and web applications as well as personalize web pages.

JavaScript Tutorial: Table of Contents

  1. JavaScript

JavaScript is an open-source programming language for web apps. Before learning JavaScript basics and implementing functions, you should know what JavaScript is and its uses. This lesson introduces JavaScript for future lessons.

  1. JavaScript Hello World

Now that you know JavaScript, you can start writing code. This lesson shows you step-by-step how to code Hello World for your browser.

  1. JavaScript arrays lesson

A JavaScript array stores a list of same-type values. This JavaScript tutorial teaches array operations and methods. MapReduce and Filter are covered.

  1. JavaScript Array Filters

JavaScript array filters remove elements based on a programmer-specified test condition. The filter checks each element for the test condition and filters them out if they pass. This lesson explains array filter and provides easy-to-follow examples. Included are JavaScript array filter limitations and supported browsers.

JavaScript’s Array reduce method reduces an array to a single value. This lesson introduces array reduce, reducer and accumulator, array reduce properties, and example uses.

  1. JavaScript Loops

Loops execute code instructions repeatedly. This JavaScript tutorial teaches do-while, for, and for-in loops.

  1. JavaScript Functions

A JavaScript function saves programmers time by reusing code. This reusable code can be called wherever needed. This JavaScript tutorial lesson teaches functions and their types, including declaration, syntax, and working.

  1. Closures in JavaScript

JavaScript closures allow inner functions to access outer function variables. They help define functions’ scopes. This lesson explains variable scope, closure, and its properties.

  1. JavaScript “This” Keyword 

This JavaScript tutorial covers the basics of the “this” keyword, references, and the “this” keyword on a global and local scope.

  1. JavaScript Form Validation

A web app should be interactive and validate end-user data. JavaScript Form Validation helps here. Form validation checks whether the provided information is accurate. This JavaScript tutorial explains.

  1. JavaScript Email Validation 

JavaScript validation ensures only valid data is sent from the client to the server. This lesson teaches you how to validate an email address in JavaScript with detailed codes and output.

  1. JavaScript promises and implementation

While a function waits for a network request resource, execution freezes. Asynchronous programming solves this problem. With ‘promise,’ you can execute the next steps without changing or stretching the main thread. This JavaScript tutorial explains Promises.

  1. How to Use JavaScript Async/Await?

In this lesson, you’ll learn JavaScript’s key feature, async/await, asynchronous programming constructs. Promises and generators are used to inline asynchronous actions. This JavaScript tutorial explains synchronous, asynchronous, and async programming. JavaScript async and await demos are also available.

  1. JavaScript DOM 2020

JavaScript uses the Document Object Model (DOM) created by the browser when a web page is rendered to access a webpage’s content. Interested? The JavaScript tutorial helps. DOM explained.

  1. JavaScript Objects

In this Javascript tutorial lesson, you’ll learn about objects, their properties, methods, and accessors. Objects are essential to any Object-oriented programming language, so learning them properly will prepare you for real-world applications.

  1. JavaScript Games

JavaScript is a lightweight and fast programming language preferred by game developers. This lesson teaches you how to design snake and tic-tac-toe using JavaScript step-by-step.

  1. Building a Calculator App JavaScripting

This lesson teaches you how to build a JavaScript calculator app. Assuming you know HTML and CSS, the calculator app will be built with HTML, CSS, and JavaScript. Start with a step-by-step guide to building your own calculator app.

  1. JavaScript Projects

JavaScript has many simple and complex applications beyond calculators. In this lesson, you’ll build a to-do app and weather app with JavaScript using a step-by-step guide.

  1. Object-Oriented Programming in JavaScript

Object-oriented programming requires data. OOP protects data from outside functions. Data and functions are built around problem objects. This lesson explains OOP, class implementation, and encapsulation in JavaScript.

  1. JavaScript Guide

Variables, functions, control flow, and data types are JavaScript fundamentals. JavaScript implementation requires an understanding of these fundamental elements. This lesson explains JavaScript basics and advanced tools.

  1. JavaScript vs..NET

Popular programming languages include Java and Microsoft’s.NET. This lesson compares Java and.NET and explains when to use each.

  1. JavaScript Interview Questions

To use JavaScript, you must understand its concepts. To pass a JavaScript interview, you should know certain concepts. This lesson provides common JavaScript interview questions for freshers and experienced candidates to help you prepare.

  1. JavaScript Typeof

JavaScript’s Typeof operator checks the operand’s data type and returns it. In JavaScript, declaring variables doesn’t require type checking. Typeof checks data type before execution. In this lesson, you’ll learn about the types of operands Typeof can check and how to use it with common use cases.

  1. Interview tips for JavaScript coding

This lesson focuses on job-description-based JavaScript interview tips. These tips will help you pass coding interviews and familiarize you with aspects to focus on, such as company details, communication skills, and practice coding questions.

  1. JavaScript Callback Functions

JavaScript callback is executed after another function. It’s an argument to another function. This lesson explains callback functions and provides examples.

  1. Event-driven JavaScript

An event is a user-input-driven output action. This lesson uses code snippets to teach JavaScript types and event listeners.

The free online video lessons that are included in this JavaScript Fundamentals course were developed by mentors who are considered to be industry leaders and have extensive experience in the relevant field. They have taken into account the requirements of a wide variety of students and made the curriculum as user-friendly as possible.