Rating:
Downloading the zip, extracting the ihatejs.js file and linking it with a html file using the following code:
<html>
<head></head>
<body>
<script src="ihatejs.js"> </script>
</body>
</html>
Open up this html file in a browser, open up the console and voila! The flag is on the screen : d4rk{ccjccpbsvrafrcatbpchjydiio}c0de