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JavaScript

Categories: Coding, Computer Courses
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Course Content

Introduction to JavaScript
JavaScript is one of the most popular and widely used programming languages in the world. It plays a crucial role in web development, enabling dynamic content, interactivity, and enhanced user experiences in web pages and applications. Let’s dive into what JavaScript is, its history, and how it fits into the modern web.

How to Add JavaScript?
Before diving into the basics of JavaScript, it’s essential to understand how to include JavaScript in an HTML file. There are three main ways to do this:

Different Ways to Output Data
JavaScript provides several ways to "display" or output data, allowing you to present dynamic content to users in various ways. Each method serves a different purpose and is used in different scenarios depending on the requirements. Here are the primary methods for displaying data using JavaScript:

Variables and Constants
Variables and constants in JavaScript are used to store data values. Depending on how you declare them, their value can be changed or fixed.

Data Types
JavaScript provides different types of values that can be stored in variables. These are categorized into two types: Primitives and Non-Primitives.

Operators
JavaScript operators allow you to manipulate values. These include:

Conditional Statements (if, else if, else)
Conditional statements execute different actions based on different conditions.

Switch Statement

Loops
Loops allow you to execute a block of code multiple times.

Functions
A function is a block of code designed to perform a particular task. Functions are reusable, making your code more modular and efficient.

Objects

Arrays
In JavaScript, an array is a special type of object that stores an ordered collection of values (elements). Arrays are zero-indexed, meaning the first element is accessed with index 0.

DOM Manipulation
DOM Manipulation is the process of using JavaScript to interact with and modify the HTML and CSS of a webpage. The DOM is essentially the structure of the webpage, represented as nodes, which can be elements, attributes, or pieces of text.

Events and Event Listeners

Classes in JavaScript

String Functions in JavaScript

Number Functions in Javascript

Error Handling in JavaScript

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