JAVASCRIPT

javascript screen size

var w = window.innerWidth;
var h = window.innerHeight;

javascript screen width

if (window.screen.width >= 1024 && window.screen.height >= 768) {
  alert('screen is ${window.screen.width} x ${window.screen.height}')
}

get the size of the screen javascript

window.screen.height;
window.screen.width;

get screen width javascript

window.screen.width
//or just
screen.width