Answers for "how to get the resolution of a window in js"

js window dimensions

// better than using window.innerWidth / window.innerHeight 
// because of scrollbars
const client = {
      width: document.documentElement.clientWidth,
      height: document.documentElement.clientHeight
}

get window resolution javascript

var clientWidth = document.documentElement.clientWidth;
 $("h2").text(clientWidth);