While you can pick up the very basics of JavaScript in a day, becoming truly good at it takes much longer. Think of it like ...

Add a description, image, and links to the var-let-const topic page so that developers can more easily learn about it ...

Come & see the magic of my code JavaScript (often shortened to JS) is a lightweight, interpreted, object-oriented language with first-class functions, and is best known as the scripting language for ...

The image probably isn't loaded by that time. I mean, it's probably a couple milliseconds, if that, between when you assign that src and when you ask for the width and height. Assign the image an ...