Now the script is working through JQuery, how will it look like in pure JS?

Question

JavaScript

Tell me, knowledgeable people, how will the script on pure JS look right?
And that both old and new browsers support it.

function resizeScrenn(){
if ($(window).width() <= 991){

}
else{

}
}
resizeScrenn();
$(window).resize(function(){
  resizeScrenn();
});

Answer 1

function resizeScreen() {
  if (window.innerWidth <= 991){
    console.log(window.innerWidth);
  }
  else {
    console.log();
  }
}

resizeScreen();
window.addEventListener('resize', resizeScreen);