In scalar context it returns a string describing the engine such as
In list context it returns the separate parts of the string - engine, version and date of build.
Returns a true value if SpiderMonkey is compiled with support for UTF8 strings and if we're using it. does_handle_utf8 is also supported for backwards compability.
Returns a true value if we have compiled support for E4X.
Returns a true value if we have compiled support for threading.
Checks if all features given in @features are present. Is case insensitive. Supported keys are e4x, utf8 and threading. Extensions to this module may provide additional keys by implementing a method that begins with
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Copyright (c) 2001 - 2008, Claes Jakobsson
<firstname.lastname@example.org>. All rights reserved.
This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See perlartistic.
BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR, OR CORRECTION.
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