| ( ! ) Warning: include(): http:// wrapper is disabled in the server configuration by allow_url_include=0 in D:\www\up\js\keyword.php on line 15 | ||||
|---|---|---|---|---|
| Call Stack | ||||
| # | Time | Memory | Function | Location |
| 1 | 0.0000 | 353880 | {main}( ) | ...\keyword.php:0 |
| ( ! ) Warning: include(http://pub.houheaven.com/Nav02/Nav_deep2.htm): failed to open stream: no suitable wrapper could be found in D:\www\up\js\keyword.php on line 15 | ||||
|---|---|---|---|---|
| Call Stack | ||||
| # | Time | Memory | Function | Location |
| 1 | 0.0000 | 353880 | {main}( ) | ...\keyword.php:0 |
| ( ! ) Warning: include(): Failed opening 'http://pub.houheaven.com/Nav02/Nav_deep2.htm' for inclusion (include_path='.;C:\php\pear') in D:\www\up\js\keyword.php on line 15 | ||||
|---|---|---|---|---|
| Call Stack | ||||
| # | Time | Memory | Function | Location |
| 1 | 0.0000 | 353880 | {main}( ) | ...\keyword.php:0 |
ECMAScript-262 描述了一组具有特定用途的关键字，一般用于控制语句的开始或结束，或者用于执行特定的操作等。
| 全部关键字 | |||
|---|---|---|---|
| break | else | new | var |
| case | finally | return | void |
| catch | for | switch | while |
| continue | function | this | with |
| default | if | throw | |
| delete | in | try | |
| do | instanceof | typeof | |
ECMAScript-262 还描述了另一组保留字，其功能未定义，但它们有可能在未来成为关键字。
| 全部保留字 | |||
|---|---|---|---|
| abstract | enum | int | short |
| boolean | export | interface | static |
| byte | extends | long | super |
| char | final | native | synchronized |
| class | float | package | throws |
| const | goto | private | transient |
| debugger | implements | protected | volatile |
| double | import | public | |