This is Perl module JavaScript::Value::Escape.

INSTALLATION

JavaScript::Value::Escape installation is straightforward. If your CPAN shell is set up,
you should just be able to do

    % cpan JavaScript::Value::Escape

Download it, unpack it, then build it as per the usual:

    % perl Makefile.PL
    % make && make test

Then install it:

    % make install

DOCUMENTATION

JavaScript::Value::Escape documentation is available as in POD. So you can do:

    % perldoc JavaScript::Value::Escape

to read the documentation online with your favorite pager.

Masahiro Nagano