I discovered a discrepency in the way that the Microsoft and Mozilla implementations of Javascript handle the 'split' function. Consider this expression:
"!abc!def!ghi!".split(/!/)
Mozilla returns an array with five elements, the first and last elements being empty strings. Microsoft returns only three elements, having dropped the first and last elements. Intuitively, Mozilla seems correct. The definition of split in the ECMA-262 standard is difficult to read, but appears to support Microsoft's interpretation.
