How do you make custom pop-up windows in Javascript

Question

I made a code about this. Check it out! However my question is how do you make a custom pop-up window like the alert() function, but I want it to be my own design. Thanks for the help!

Answer 1

thanks

Answer 2

the jquery ui library can help you with it

here is an old demo

https://code.sololearn.com/WhYVl96KxjWe/#

or search in my codes for
Alert vs. jQuery custom dialog

let it load the gif completely before clicking buttons, for some reason it loaded really slow for me now :/