Hack to detect if chrome devtools is open

gistfile1.js

var checkStatus;

var element = new Image();
// var element = document.createElement('any');
Object.defineProperty(element, 'id', {
  get:function() {
    checkStatus='on';
    throw	new Error("This is a hack to check If chrome Devtools is open. Pay no attention.............................................................................................................");
  }
});

setInterval(function() {
    checkStatus = 'off';
    console.dir(element);
    document.querySelector('#devtool-status').innerHTML = checkStatus;
}, 1000);