JavaScript | Reserved Words
In JavaScript you cannot use these reserved words as variables names, labels names or function names.
Reserved Words:
| abstract | arguments | boolean | break | byte |
| case | catch | char | const | continue |
| debugger | default | delete | do | double |
| else | eval | false | final | finally |
| float | for | function | goto | if |
| implements | in | instanceof | int | interface |
| long | native | new | null | package |
| private | protected | public | return | short |
| static | switch | synchronized | this | throw |
| throws | transient | true | try | typeof |
| var | void | volatile | while | with |
| yield |
Reserved Words added in ECMAScript 5 and 6.
| awaits | class | enum | export |
| extends | import | let | super |
Removed Reserved Words
Following reserved words has been removed from ECMAScript 5 and 6.
| abstract | boolean | byte | char |
| double | final | float | goto |
| int | long | native | short |
| synchronized | throws | transient | volatile |
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