JavaScript Keywords must be in your information because you can not use them as a variable name.
What Are JavaScript Keywords?
Keywords are reserved words in JavaScript that cannot use to indicate variable labels or function names. There are a total of 63 keywords that JavaScript provides. All of them are shown in the below-mentioned table:
JavaScript Reserved Keywords List
You can't use a keyword as an identifier in your JavaScript programs; it's reserved words and used to perform internal operations.
| 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 | let | 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 |
ECMAScript5 New Keywords
| class | enum | export | extends |
| import | super |
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