access to Unicode SMP?

Peter Michaux petermichaux at
Tue Oct 13 16:43:55 PDT 2009

ES5 Section 7.8.4 discusses UnicodeEscapeSequence which have four
hexidecimal digits (i.e. \u0000 to \uFFFF) and allows specification of
characters on the Unicode Basic Multilingual Plane. Is it possible in
ECMAScript to specify characters on higher planes like the
Supplementary Multilingual Plane? If not, why was that access


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