Sorry to jump in after this issue has been debated to a halt, but I have been busy.
About the "delete" operator...
Microsoft's documentation:
http://msdn.microsoft.com/scripting/default.htm?/scripting/jscript/doc/jsoprDelete.htm
Netscape's documentation:
http://developer.netscape.com/docs/manuals/js/core/jsref14/ops.htm#1045837
JavaScript 2.0 (very similar to ECMAScript Edition 4), both yet to be finalized:
http://www.mozilla.org/js/language/js20/index.html
Unfortunately this is the specification, not the documentation, so it can be quite
difficult to read.
And now to my interpretation of it all...
The "delete" operator removes a property from an object (the close relationship
between arrays and objects makes this apply to arrays as well).
Netscape also allows "delete obj" under special circumstances and I imagine this is
due to where the "object" (actually the property) is stored. If you look at Netscape's
doc you see it won't function if you declare the object with "var", and without it it
ends up as a property of the "window" object which would be why it works in that case.
One could easily believe new/delete are opposites as in other languages (ie. C++) but
because of the automatic garbage collection that isn't necessary, and "delete" was
therefor given a different meaning.
/Lunna
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