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Questions and Answers
What is the primary purpose of JavaScript in web development?
What is the primary purpose of JavaScript in web development?
- To enhance server security
- To create server-side functionality
- To optimize database performance
- To make web pages interactive and dynamic (correct)
Where does JavaScript run in web development?
Where does JavaScript run in web development?
- In the database
- On the web server (server-side)
- Inside the browser (client-side) (correct)
- As a standalone application
What is an advantage of client-side scripting with JavaScript?
What is an advantage of client-side scripting with JavaScript?
- Offloading processing from the server to client machines (correct)
- Enhancing server security
- Improving database performance
- Reducing client-side compatibility issues
What is a disadvantage of heavy use of JavaScript in web applications?
What is a disadvantage of heavy use of JavaScript in web applications?
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How can data be displayed in JavaScript using a predefined function?
How can data be displayed in JavaScript using a predefined function?
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Study Notes
JavaScript in Web Development
- Primary purpose of JavaScript in web development is to add interactivity to websites.
Where JavaScript Runs
- JavaScript runs on the client-side, meaning it runs on the user's web browser.
Advantage of Client-Side Scripting
- Advantage of client-side scripting with JavaScript is that it reduces the load on the server, as the processing is done on the client-side.
Disadvantage of Heavy JavaScript Use
- Disadvantage of heavy use of JavaScript in web applications is that it can lead to slower page loads and increased memory usage.
Displaying Data in JavaScript
- Data can be displayed in JavaScript using a predefined function, such as
document.write()orinnerHTMLproperty, which allows developers to display dynamic content on a web page.
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