javascript监听用户是否打开了debugger

if (window.addEventListener) {
  window.addEventListener('resize', function() {}, true);
  var listener = function() {
    if (window.innerWidth !== listener.width || window.innerHeight !== listener.height) {
      listener.width = window.innerWidth;
      listener.height = window.innerHeight;
      console.log('debugger已启用');
    }
  };
  window.addEventListener('resize', listener, true);
} else if (window.attachEvent) {
  window.attachEvent('onresize', function() {});
  var listener = function() {
    if (window.innerWidth !== listener.width || window.innerHeight !== listener.height) {
      listener.width = window.innerWidth;
      listener.height = window.innerHeight;
      console.log('debugger已启用');
    }
  };
  window.attachEvent('onresize', listener);
}