How do you get the screen size

Question

in html or css or javascript

Answer 1

if you are using jquery:

$(window).height();
$(document).height();
$(window).width();
$(document).width();

javascript:

function myFunction() {
var w = window.innerWidth;
var h = window.innerHeight;
}

Answer 2

100%
100vh
innerHTML.height or .width, I think