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

How To Get HTML Elements Using JavaScript, by Harshit Gambhir

How to use Inspect Element in Chrome, Safari, and Firefox

Avoid an excessive DOM size - WP Rocket Knowledge Base

Coordinates

How to access elements in canvas that are not on the DOM with JavaScript - Quora

How to Check if Object is Empty in JavaScript

How To - Aspect Ratio / Height Equal to Width

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Zepto Docs

How To Access Elements in the DOM

How to Inject JavaScript Code to Manipulate Websites Automatically

css - Calculate the bounding box's X, Y, Height and Width of a rotated element via JavaScript - Stack Overflow