JavaScript is a programming language that can be embedded in web pages to offer interactive features like sounds, menus, etc. Some browsers support this script while some do not.

Turn off JavaScript in browser settings if pages aren’t loading right. Or request the mobile version of the site for better compatibility. Certain Sites Don’t Work Properly ...

But, whichever browser you use, be aware that running JavaScript can be the point of entry for intrusive and infectious malware. Use caution before deciding to allow it on any site that you visit.