Understanding JavaScript: A Beginner's Guide
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What is JavaScript? Introduction to javascript
JavaScript is a computer language used for creating websites and web applications.
JavaScript is a high-level and most popular programming
JavaScript is a cross-platform, lightweight scripting language. In this context, cross-platform refers to "it works on any device," and lightweight means "it requires less code to write the program."
A webpage or website can be interacted with by the user via JavaScript.
JavaScript allows us to incorporate dynamic elements into a webpage.
With HTML and CSS, it is utilized.
It can be used for Frontend and Backend Development.
Both development on the client side and on the server side use it.
JavaScript is used to compute, change, and verify data.
Brendan Eich created JavaScript in 1995.
Since JavaScript is free to use, it is an open-source language.
Software and game design are also done with it.
JavaScript was originally known as LiveScript. Its name was later modified.
JavaScript is used by almost 97% of websites today. Another name for JavaScript is scripting language.
Features Of JavaScript
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| Feature javascript |
How the programmer will write the language, and how it will be encrypted through the browser, all this is decided by JavaScript.
JavaScript is implemented in a web page using JavaScript statements placed inside the script HTML tag.
Like all other programming languages, variables are also used in JavaScript and it also supports different operators like Arithmetic, Comparison, and Assignment.
All types of upcoming famous browsers support JavaScript programming language.
JavaScript programming language follows all the structures of C programming language.
JavaScript also uses the Object Oriented Programming concepts present in programming languages like C++, and Java.
It verifies the user-provided input. It is used to verify the password and login ID in forms.
In the browser, it carries out simple computations.
Because it is a platform-independent language, any device can use it.
It includes built-in features. With built-in functions, writing code is made simple.
HTML content is produced.
It ascertains the user's operating system and browser.
Uses Of JavaScript
1- To create a website –
2- To create a web application
3- For presentation
4- To create Server Applications
5- In creating Web Servers –
6- To make a game
7- To make art
8- To create Smartwatch Apps
9- To create mobile apps
10- To make Flying Robots
11 To create a dropdown menu
Table of Content
Section | Topics |
|---|---|
| JavaScript Basics | Introduction, Syntax, Variables, Data Types |
| JavaScript Control Flow Statements | If/Else, Switch, Conditional Logic |
| JavaScript Loops | For, While, Do-While |
| JavaScript Expression and Operators | Arithmetic, Logical, Comparison |
| JavaScript Objects | Creation, Manipulation, Properties |
| JavaScript Functions | Declaration, Expressions, Arrow Functions |
| JavaScript Regular Expression | Syntax, Usage, Patterns |
| JavaScript OOPs | Classes, Objects, Encapsulation |
| Inheritance and Prototype Chain | Prototypal Inheritance, Chain Mechanism |
| Memory Management | Garbage Collection, Handling Leaks |
| JavaScript Promises | Asynchronous Programming, Usage |
| Iterators and Generators | Understanding Iterators, Generator Functions |
| Javascript Validations | Forms, Data Types |
| Javascript Events | Event Handling, Bubbling, and Capturing |
| Exception Handling | Try-Catch, Error Handling |
| JavaScript Miscellaneous | Various Advanced Topics |
| JavaScript Objects Reference | Global Objects, Built-in Methods |
| Reason to Learn JavaScript | Importance, Applications |
| How JavaScript Makes HTML Build Websites Better | Dynamic Content, Interactivity |
| Things that Make JavaScript Demanding | Market Demand, Versatility |
| JavaScript Interview Preparation | Tips, Common Questions |
| JavaScript Practice Quiz | Quizzes, Exercises |
| JavaScript Libraries & Frameworks | Overview, Popular Choices |
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