鼠标悬停和多个函数中的变量时按下

var aPressed = false;
var keyPressed = false;
var sidebarRightDisp = 5;
var sidebarLeftDisp = 5;

$(document).mousemove(function(event) {
  if (!keyPressed)
    return;

  var mLeft, mTop;
  if (aPressed) {
    mLeft = '3px';
    mTop = event.pageY - sidebarRightDisp;
  } else {
    mLeft = event.pageX - sidebarLeftDisp;
    mTop = event.pageY - sidebarRightDisp;
  }

  var boxStyleAct = 'left:' + mLeft + 'px;top:' + mTop + 'px' + ';';
  var boxAct = '<li style="' + boxStyleAct + '"></li>';

  $(".boxes").append(boxAct);

}).keydown(function(e) {
  keyPressed = true;
  aPressed = e.which == 65;

}).keyup(function(e) {
  keyPressed = false;
  aPressed = false;

});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

<div class="boxes">
</div>

var AkeyPressed = false;
var status = document.getElementById('status');

$(document).on('mousemove', function() {
  if(AkeyPressed == true) {
    console.log("mouse moving while pressing A key");
  }
  else {
    console.log("A key not pressed ");
  }
});
$(document).keydown(function(e) {
  if(e.which == 65) {
    AkeyPressed = true;
    //var x = true;
  }
  else {
    AkeyPressed = false;
    //var x = false;
  }
});
$(document).keyup(function(e) {
  AkeyPressed = false;
});
window.focus();

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>