Learn how the call stack, event loop, and various queues help JavaScript handle asynchronous operations while maintaining its single-threaded nature.
Arrow functions have a simpler syntax than standard functions, and there are some important differences in how they behave.
null
, undefined
, or empty values in JavaScriptIn most languages, we only have to cater to null. But in JavaScript, we have to cater to both null and undefined. How do we do that?
Discover how the MERN stack (MongoDB, Express.js, React, Node.js) enables developers to build dynamic, performant, modern websites and apps.
2 Replies to "How to protect your Node.js applications from malicious dependencies"
This method is good for standard methods, but do you know what is a good way to block calls at the system level? When calls reach the v8 engine or uv, it should be able to implement a gating mechanism where the user can be asked consent.
This model is similar to android apps where we are told the permissions that the app requires in advance, and any additional access is denied till the user explicitly approves it.
I actually created a library that does something very similar to this, but uses a more sensible approach for permissions. It also differentiates between 1st/3rd party code so that your main application doesn’t have to jump through hoops https://github.com/yaakov123/hagana