2.2.5 [ECMA-262/5] Section 15.9.5.4, Date.prototype.toTimeString ()
C0003:
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This function returns a String value. The contents of the String are implementation-dependent, but are intended to represent the "time" portion of the Date in the current time zone in a convenient, human-readable form.
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The returned String value is determined from the following steps:
Let tv be the time value.
If tv is NaN, return the string "
NaN
".Let t be LocalTime(tv).
Using t, create a string value that has the following format, according to the items that are defined in section 2.1.18 of this document:
hh:mm:ssbzzzzzz
Return Result(4).