DEV Community

Harit Himanshu
Harit Himanshu

Posted on

 

JavaScript: “Value below was evaluated just now”, what does it mean?

Folks I am trying to list down what happens behind the scenes when new keyword is used to create an instance.

Here is what my code looks like

function F() {}
let f1 = new F()
f1.__proto__

When I understood so far is that when new is used, a new…

Top comments (0)

An Animated Guide to Node.js Event Loop

Node.js doesn’t stop from running other operations because of Libuv, a C++ library responsible for the event loop and asynchronously handling tasks such as network requests, DNS resolution, file system operations, data encryption, etc.

What happens under the hood when Node.js works on tasks such as database queries? We will explore it by following this piece of code step by step.