ibolmo/mootools-core — comment on commit 9726effcf2e5268b30fe8fae4367dc1d34cff2d2
File: Source/Element/Element.js line 510
By ibolmo:

I removed readOnly since it's initialized by this loop: https://github.com/ibolmo/mootools-core/blob/9726effcf2e5268b30fe8fae4367dc1d34cff2d2/Source/Element/Element.js#L536