js-modules | Module formats : IIFE , CommonJS , AMD , UMD , ES6 | Internationalization library

So I'm fairly new to Next.JS and have been trying to use it with Bootstrap. The problem is, I can't use Bootstrap classes with my own custom CSS classes together in the className field. I found two answers to this exact question here and they both suggest using template literals. However, that just doesn't work for me.

This is what my code looks like at the moment.

Can't understand the difference between the two examples that I just read at the end of the Deno manual section on the deno bundle command:

Bundles can also be loaded in the web browser. The bundle is a self-contained ES module, and so the attribute of type must be set to "module". For example:

...

A client would like to use an npm package to access our JavaScript file's functions instead of adding a script tag to their html. Is this possible? The only resource I've come across for creating an npm package is for NodeJS files (https://docs.npmjs.com/creating-node-js-modules).

I read a lot about module and thought that i really understand it. But later i had a simple example with two java script files: 1.js file:

Can someone explain with an example how module.exports = {...} will cause unexpected behavior.

I'm reading you don't know js yet and I came across this at https://github.com/getify/You-Dont-Know-JS/blob/2nd-ed/scope-closures/ch8.md#node-commonjs-modules

Some developers have the habit of replacing the default exports object, like this:

...

I'm recently working on some website optimization works, and I start using code splitting in webpack by using import statement like this:

import(/* webpackChunkName: 'pageB-chunk' */ './pageB')

Which correctly create the pageB-chunk.js, now let's say I want to prefetch this chunk in pageA, I can do it by add this statement in pageA:

import(/* webpackChunkName: 'pageB-chunk' */ /* webpackPrefetch: true */ './pageB')

Which will result in a

being append to HTML's head, then the browser will prefetch it, so far so good.

The problem is the import statement I use here not just prefetch the js file, but also evaluate the js file, means the code of that js file is parsed & compile to bytecodes, the top-level code of that JS is executed.

This is a very time-consuming operation on a mobile device and I want to optimize it, I only want the prefetch part, I don't want the evaluate & execute part, because later when some user interactions happen, I will trigger the parsing & evaluate myself

↑↑↑↑↑↑↑↑ I only want to trigger the first two steps, pictures come from https://calendar.perfplanet.com/2011/lazy-evaluation-of-commonjs-modules/ ↑↑↑↑↑↑↑↑↑

Sure I can do this by adding the prefetch link myself, but this means I need to know which URL I should put in the prefetch link, webpack definitely knows this URL, how can I get it from webpack?

Does webpack have any easy way to achieve this?