in reply to Sleep - settle an argument?
Am I correct in thinking that in older version of Perl "sleep" didn't actually work in a Browser as it does in SSH?
No. The perl internal function 'sleep' never worked in a browser running without an embedded perl -i.e any browser. But! Years ago I've seen a perlTk browser, which AFAIK didn't execute perl code retrieved from the web embedded in a HTML document, either.
I'm not aware that JavaScript ever had a builtin sleep() function or method. I don't know whether VBS did have it, since I avoid(ed) VBS like plague, pest & cholera.
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Seekers of Perl Wisdom