You should avoid using these reserved words and keywords as function or variable names as JavaScript has reserved these words for its own use.
| JavaScript Reserved Words |
|---|
| break | continue | do | for | import | new | this | void |
| case | default | else | function | in | return | typeof | while |
| comment | delete | export | if | label | switch | var | with |
| Java Keywords (Reserved by JavaScript) |
|---|
| abstract | implements | protected |
| boolean | instanceOf | public |
| byte | int | short |
| char | interface | static |
| double | long | synchronized |
| false | native | throws |
| final | null | transient |
| float | package | true |
| goto | private | |
| ECMAScipt Reserved Words |
|---|
| catch | enum | throw |
| class | extends | try |
| const | finally | |
| debugger | super | |
| Other JavaScript Keywords |
|---|
| alert | eval | Link | outerHeight | scrollTo |
| Anchor | FileUpload | location | outerWidth | Select |
| Area | find | Location | Packages | self |
| arguments | focus | locationbar | pageXoffset | setInterval |
| Array | Form | Math | pageYoffset | setTimeout |
| assign | Frame | menubar | parent | status |
| blur | frames | MimeType | parseFloat | statusbar |
| Boolean | Function | moveBy | parseInt | stop |
| Button | getClass | moveTo | Password | String |
| callee | Hidden | name | personalbar | Submit |
| caller | history | NaN | Plugin | sun |
| captureEvents | History | navigate | print | taint |
| Checkbox | home | navigator | prompt | Text |
| clearInterval | Image | Navigator | prototype | Textarea |
| clearTimeout | Infinity | netscape | Radio | toolbar |
| close | innerHeight | Number | ref | top |
| closed | innerWidth | Object | RegExp | toString |
| confirm | isFinite | onBlur | releaseEvents | unescape |
| constructor | isNan | onError | Reset | untaint |
| Date | java | onFocus | resizeBy | unwatch |
| defaultStatus | JavaArray | onLoad | resizeTo | valueOf |
| document | JavaClass | onUnload | routeEvent | watch |
| Document | JavaObject | open | scroll | window |
| Element | JavaPackage | opener | scrollbars | Window |
| escape | length | Option | scrollBy | |
