What is the difference between css-loader vs style-loader?

Question

css

What to parse css-loader and how?
What to parse style-loader and how?

Answer 1

css-loader interprets @importand url()in css code imported into the project as import/require() and allows them.
style-loader puts css in the DOM.

Answer 2

css-loader - converts CSS - into a JavaScript module.
(Input: CSS, Output: JavaScript)
style-loader - Injects the CSS exported by the JavaScript module into the tag

Answer 3

INNER JOIN -> LEFT JOIN