That would only work for if all of JS, HTML and Perl used "\" to escape. HTML doesn't.

Assuming you had the right number of slashes — you don't — you're code results in the following HTML: 

<a 
  href=''
  onclick='alert(\'  <- Nice JS!
  test\')'           <- eh?
></a>

[download]

In reply to Re^3: Perl, JavaScript and quoting/escaping by ikegami
in thread Perl, JavaScript and quoting/escaping by isync

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