Combining javascript files

I’ve read Combining Client Scripts into a Composite Script and wanted to use it.
Then I’ve read Julian Jelfs concerns ScriptManager.CompositeScript issues

However the article Combining javascript files with Ajax toolkit library describes workarounds, that make the solution workable.
You also can use Script reference profiler:

Related posts:

Using ScriptManager with other frameworks

MSDN documentation: CompositeScriptReference

The older implementations, that has been superseded by CompositeScript class:

Combining, Compressing, Minifying ASP.NET ScriptResource and HTML Markups