Parse a 32-bit integer value from a Wikidot attribute string.
Uses base-10 parsing. Returns undefined for non-numeric strings or when the attribute is not specified.
The attribute string value, or undefined if not specified
The parsed integer, or undefined if parsing fails
Parse a 32-bit integer value from a Wikidot attribute string.
Uses base-10 parsing. Returns undefined for non-numeric strings or when the attribute is not specified.