Reserved words within JScript cannot be used for variable or function names. They are
• break | • function |
• case | • if |
• catch | • import |
• class | • in |
• const | • new |
• continue | • null |
• debugger | • return |
• default | • super 9 |
• delete | • switch |
• do | • this |
• else | • throw |
• enum | • try |
• export | • typeof |
• extends | • var |
• false | • void |
• finally | • while |
• for | • with |