Long Javascript in .txt file not working

Is your alert Javascript code wrapped in an opening and closing script tag? It would appear like the below:

<script type=“text/javascript” src=“https://uploads-ssl.webflow.com/5fd13b6440d790c78d867ae4/60b5562027813d45e349b4f2_text.txt”></script>

<script>
$( document ).ready(function() {
alert(“Hello! I am an alert box!!”);
});
</script>