execute input JavaScript code on all posts, topics and categories, etc as callback.
this pluging act on existing contents not new one, and can be useful if you want to alter certain pieces of content on your forum as it. For example, may be used to alter posts, topcs or categories title and descryption.
so that any occurrences of “Google” gets changed to “Google Inc.”. Likewise, plugin may be used to beautify existing content (i.e. code filters), or remove offensive words (profanity filters).
another example is you want all ANSI Strings to utf8 encoding conversion, this time the above plug-ins the run a JavaScript code on all posts, topics and categories, etc.