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Asked by Yatheesh Last Modified
Answer 
Sadika
Node.js itself is a server-side runtime for executing JavaScript code, and it is designed to be secure. However, the security of a Node.js application depends on various factors, including how the application is written, the modules and dependencies used, and how security best practices are implemented.
Node.js applications can be vulnerable to common web application security issues such as injection attacks, cross-site scripting (XSS), cross-site request forgery (CSRF), and more. It's important for developers to follow security best practices, validate input, sanitize output, and keep dependencies up-to-date to mitigate potential security risks.
Regarding visibility in the browser, Node.js is not directly visible in the client-side browser like JavaScript. Node.js is used on the server side to handle server logic, while JavaScript is typically used on the client side to handle interactions and dynamic content in the browser. The server-side code, including Node.js, is not exposed to the client's browser, and clients interact with the server through HTTP requests.
In summary, Node.js can be secure if proper security practices are followed, and it operates on the server side, away from the client's browser, which is where client-side JavaScript executes.
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