Web guy

Js strict mode:

Strict mode helps out in a couple ways:

It catches some common coding bloopers, throwing exceptions.
It prevents, or throws errors, when relatively "unsafe" actions are taken (such as gaining access to the global object).
It disables features that are confusing or poorly thought out

A look at JavaScript spread operators

https://www.freecodecamp.org/news/javascript-console-log-example-how-to-print-to-the-console-in-js/
Read more...

Js bind method: The bind() method creates a new function, when invoked, has the this sets to a provided value. The bind() method allows an object to borrow a method from another object without making a copy of that method. This is known as function borrowing in JavaScript.

Difference between pass by value and pass by reference

Some Js projects you should try your hands on

Difference between while loop and for loop in JavaScript

Core html tags you need to you

Learn css flexbox

Css grid cheat sheet

Difference between JavaScript require and import

Some css pseudo selectors