Use custom meta tags to store data that you need in Javascript, instead of hard-coding that data into your Javascript. I store my Google Analytics code in meta tags. Here's some examples:
<meta name='google-analytics' content='1-AHFKALJ'> <meta name='disqus' content='abcdefg'> <meta name='uservoice' content='asdfasdf'> <meta name='mixpanel' content='asdfasdf'>