Why does JavaScript sometimes work and sometimes not? Understanding the basics of loading order

I created a process to open a menu when a button is pressed, but nothing happens.Even with the same JavaScript, it suddenly started working when I changed where the file was loaded.In web development, ...

[Brazil Investigation] JavaScript Syntax in Server Scripts: What Works and What Doesn't in ES12 Mode

After a major upgrade to Brazil, is it safe to use ?., ??, and class in server scripts? The official release notes only state ...
InfoWorld

Intro to multithreaded JavaScript

Escape the single-threaded event loop in browsers and on the server. Here's how to use worker threads and web workers for modern multithreading in JavaScript. The JavaScript language is one of the ...