JavaScript: Looping through variable names RGrizzzz Sep 9, 2004 Jump to latest Follow Reply ...

JavaScript variable names can be almost unlimited in length, although for practical reasons you’ll probably want to keep your variable names under 10 or 15 characters.

Being a Unicode "letter," the Hangul Filler can be trivially used as a JavaScript variable name. In effect, this alters the logic and workflow of the two lines than what was previously understood.