get screen size in js code example

Example 1: get window size javascript

const window {
  width: window.innerWidth,
  height: window.innerHeight
}

Example 2: get screen width javascript

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

Example 3: js detect screen size change

window.onresize = function(){
console.log("resize");
}

Example 4: js know size of screen

alert("Your screen resolution is: " + screen.width + "x" + screen.height)