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@dpk dpk/
Created Feb 15, 2015

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JavaScript length of a string (Python)
# jslen -- find the JavaScript length of a string (Python 3)
# Note to Python developers: since you know it as of Python 3.3, it'd
# be nice to have a way to find out in O(1) if a string contains any
# wide characters.
# find the preferred (i.e. faster) byte order
if ''.encode('utf-16') == b'\xFE\xFF':
preferred_encoding = 'utf-16le'
preferred_encoding = 'utf-16be'
def jslen(str):
return len(str.encode(preferred_encoding)) >> 1
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