<html> <head> <title>debug()</title> <script src="../debug.js"></script> <script> // type debug.enable('*') in // the console and refresh :) a = debug('worker:a'); b = debug('worker:b'); setInterval(function(){ a('doing some work'); }, 1000); setInterval(function(){ a('doing some work'); }, 1200); </script> </head> <body> </body> </html>