javascript - How to get the dimensions of a DOM element, minus

How can I get the size of the content-box of a <div> (or any other element) using pure JavaScript? By content-box, I don't mean the size of text inside the div, I mean the element's on-screen

JavaScript: Finding HTML DOM Elements, by Leo Chen

Password Validation Check in HTML CSS & JavaScript

javascript - Get the size of the screen, current web page and browser window - Stack Overflow

CSS features reference, DevTools

html - Get dimensions of text block via JavaScript, not the size of container's `getBoundingClientRect` - Stack Overflow

Window: innerHeight property - Web APIs

Find the dimensions of a web page element : TechWeb : Boston University

How large DOM sizes affect interactivity, and what you can do about it, Articles

How To Access Elements in the DOM

7 Proven Strategies for Fixing “Avoid an Excessive DOM Size” Warning