Introduction
Here is the Introduction of JavaScript: JavaScript is a high-level, versatile, and dynamic programming language primarily known for its use in web development. • It allows developers to add interactive and dynamic elements to websites, enhancing the user experience. • JavaScript was initially created to make web pages interactive by enabling client-side scripting. • It is a versatile language used for both front-end and back-end development. Note: JavaScript syntax is similar to other C-style languages like Java and C++. Features: Usage: Here’s a simple JavaScript code snippet that’s suitable for beginners. Adding JavaScript to a Page: To add JavaScript to an HTML page, you can use the <script> tag. Here’s a simple example: Comments: In JavaScript, comments are used to add explanatory notes or remarks within the code. • Comments are ignored by the JavaScript interpreter and are not executed. • They are solely for the benefit of developers to provide documentation and make the code more understandable. There are two types of comments in JavaScript: Single-Line Comments: Single-line comments are created using two forward slashes //. Everything after // on the same line is treated as a comment. Multi-Line Comments: Multi-line comments start with /* and end with */. Everything between / * and */ is treated as a comment, and it can span multiple lines. • Multi-line comments are often used for longer explanations, documentation, or for temporarily disabling a block of code. Example combining both types:
