JSFiddle - React, Tailwind, and code Playground

JavaScript

let shiftkey_press = false;
let A_press = false;
let S_press = false;
document.onkeydown = function(e) {

  if (e.shiftKey ) {
    shiftkey_press = true;
  }
  if (e.keyCode == 65 ) {
    A_press = true;
  }
  if (e.keyCode == 83 ) {
    S_press = true;
  }
	console.log("shiftkey_press:", shiftkey_press)
	console.log("A_press:", A_press)
	console.log("S_press:", S_press)
  
  if (shiftkey_press && A_press && S_press ){
    url = "https://stackoverflow.com/";

    alert(url);
  }

}