Day 1 - Javascript Introduction
What is Javascript? JavaScript is a high-level, interpreted programming language commonly used for building interactive and dynamic websites. It's one of the core technologies of the web, alongside HTML and CSS. While HTML structures the content of web pages and CSS styles it, JavaScript is responsible for adding behavior and interactivity. Why Javascript? There are several reasons why JavaScript has become one of the most popular and widely used programming languages in the world, especially for web development. Here are some of the key reasons why developers choose JavaScript: Runs Everywhere (Cross-Platform) Client-Side Interactivity Rich Ecosystem and Libraries Huge Developer Community Asynchronous Programming 6.Flexibility Easy to Learn and Use Full-Stack Development (Single Language) Popular with Modern Web Development Job Demand and Career Opportunities Constantly Evolving Application of javascript: Web Development (Frontend) Backend Development (Server-Side) Mobile App Development Game Development Desktop Application Development Internet of Things (IoT) Machine Learning & AI Data Visualization Web Automation and Scripting Virtual and Augmented Reality Blockchain and Cryptocurrencies How to use Javascript in HTML: There are two primary ways to include JavaScript in an HTML document: Inline JavaScript: Directly inside the HTML tags. External JavaScript: Linking to an external .js file. Using Inline JavaScript in HTML: You can add JavaScript directly within the HTML elements, using the onclick, onmouseover, onchange, and other event attributes. You can also include JavaScript code inside the script tag. Using External JavaScript in HTML: For better code organization, you typically separate JavaScript from HTML by placing it in an external .js file. This is especially useful for larger projects, as it makes your code more maintainable.
What is Javascript?
JavaScript is a high-level, interpreted programming language commonly used for building interactive and dynamic websites.
It's one of the core technologies of the web, alongside HTML and CSS.
While HTML structures the content of web pages and CSS styles it, JavaScript is responsible for adding behavior and interactivity.
Why Javascript?
There are several reasons why JavaScript has become one of the most popular and widely used programming languages in the world, especially for web development.
Here are some of the key reasons why developers choose JavaScript:
- Runs Everywhere (Cross-Platform)
- Client-Side Interactivity
- Rich Ecosystem and Libraries
- Huge Developer Community
- Asynchronous Programming 6.Flexibility
- Easy to Learn and Use
- Full-Stack Development (Single Language)
- Popular with Modern Web Development
- Job Demand and Career Opportunities
- Constantly Evolving
Application of javascript:
- Web Development (Frontend)
- Backend Development (Server-Side)
- Mobile App Development
- Game Development
- Desktop Application Development
- Internet of Things (IoT)
- Machine Learning & AI
- Data Visualization
- Web Automation and Scripting
- Virtual and Augmented Reality
- Blockchain and Cryptocurrencies
How to use Javascript in HTML:
There are two primary ways to include JavaScript in an HTML document:
Inline JavaScript: Directly inside the HTML tags.
External JavaScript: Linking to an external .js file.
Using Inline JavaScript in HTML:
You can add JavaScript directly within the HTML elements, using the onclick, onmouseover, onchange, and other event attributes. You can also include JavaScript code inside the script tag.
Using External JavaScript in HTML:
For better code organization, you typically separate JavaScript from HTML by placing it in an external .js file. This is especially useful for larger projects, as it makes your code more maintainable.
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