Conditional Compilation Variables (JavaScript)
The following predefined variables are available for conditional compilation. If a variable is not true, it is not defined and behaves as NaN when accessed.
Caution
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Conditional compilation is supported in all versions of Internet Explorer, but not in Windows Store apps. |
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Variable |
Description |
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@_win32 |
True if running on a Win32 system. |
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@_win16 |
True if running on a Win16 system. |
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@_mac |
True if running on an Apple Macintosh system. |
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@_alpha |
True if running on a DEC Alpha processor. |
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@_x86 |
True if running on an Intel processor. |
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@_mc680x0 |
True if running on a Motorola 680x0 processor. |
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@_PowerPC |
True if running on a Motorola PowerPC processor. |
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@_jscript |
Always true. |
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@_jscript_build |
Contains the build number of the JavaScript scripting engine. |
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@_jscript_version |
Contains the JavaScript version number in major.minor format. |
