JavaScript Execution Order

0
<script>loadJSFile('js/insert-1.php');</script>
<script>loadJSFile('js/insert-2.php');</script>

<script defer src="js/defer-1.php"></script>
<script src="js/normal-1.php"></script>

<script defer src="js/defer-2.php"></script>
<script src="js/normal-2.php"></script>