parseIso8601
Parses an ISO 8601 timestamp.
Return
The time in milliseconds since Jan. 1, 1970, midnight GMT or -1 if the timestamp was unable to be parsed.
Parameters
timeStamp
The ISO time stamp string.
Throws
if the timestamp was unable to be parsed.
Parses an ISO 8601 timestamp.
Return
The time in milliseconds since Jan. 1, 1970, midnight GMT or the default value if the timestamp was unable to be parsed.
Parameters
timeStamp
The ISO time stamp string.
defaultValue
The default value