Sure, and JS has "for", "while", etc. The issue is the mindset during use, which is completely different between Forth and 8th. You could also look at Oforth,

Sure, and JS has "for", "while", etc. The issue is the mindset during use, which is completely different between Forth and 8th. You could also look at Oforth, which is like 8th despite having Forth in its name, and which is free (oforth.com).