Inline and External Javascript
Duration: 2 min
This video lesson is available to enrolled students.
Inside: a video lesson and guided study material.
Module outline
- About Course: BTSC About Course
- Basics of Computer Science: Basics of COA, Number System, Number Representation
- Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory
- Data Structures & Algorithms: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms
- Database Management Systems(DBMS): Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Relational Algebra, SQL, Transaction Management, Concurrency Control, Database Recovery
- Networking and Internet: Introduction to CN, Data Communication, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Application Layer, Hardware Basics, Network Access Technologies, Network Security
- Cyber Security Basics: Cyber Threats and Malware Attacks, Role of Internet and Web Services, Electronic Data Interchange and E-Commerce, Cyber Safety and Security
- C Programming (Programming Fundamentals): C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
- C++, OOPs & Java (Programming Fundamentals): Java, OOPS with C++
- Python (Programming Fundamentals): Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules
- Web Development Basics: Internet Fundamentals, Web Design & Development, Protocols & Services, Web Publishing & Hosting, Server Side & Security, Emerging Technologies, JavaScript-Basics, HTML Basics
- Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing
- Software and Hardware Tools: MS Office Applications, Unix OS, Linux OS
- Emerging Trends. AI & Social Ethics: Artificial Intelligence, Emerging Tech Trends, Society, Law & Ethics
- Full Mock Test:
AI summary & chapters
AI Summary
An AI-generated summary of this video lecture.
The video presents a lecture on integrating JavaScript into HTML documents, covering two primary methods. The first method, inline JavaScript, is demonstrated by showing the use of the <script> element within an HTML document, with a code snippet illustrating the basic syntax. The second method, external JavaScript, is introduced as a best practice for larger projects, where JavaScript code is saved in a separate file, such as script.js, and linked to the HTML document. The lecture also briefly touches on other HTML elements, including the <img> tag for images and the <a> tag for hyperlinks, providing their basic syntax and attributes.
Chapters
0:00 – 1:43 00:00-01:43
The video begins with a discussion on including JavaScript in an HTML document using the <script> element. The instructor shows a code snippet for inline JavaScript, which is placed directly within the HTML file between <script> and </script> tags. The example includes a simple alert function. The instructor then transitions to the concept of external JavaScript, explaining that it is a good practice for larger projects. The text on the screen states, 'Separating JavaScript code into an external file is a good practice for larger projects. Save the JavaScript code in a separate file, for example, script.js.' The instructor also briefly mentions other HTML elements, such as the <img> tag for images and the <a> tag for hyperlinks, providing their basic syntax and attributes.
The lecture systematically introduces the two main ways to incorporate JavaScript into a web page: inline and external. It emphasizes that while inline JavaScript is suitable for small scripts, external JavaScript is a best practice for larger, more complex applications, promoting code organization and reusability. The lesson also provides a brief overview of other fundamental HTML elements, reinforcing the connection between HTML and JavaScript in web development.