func:parseFloat

parseFloat(val, checked: true)

Parse a Str into a Float. Representations for infinity and not-a-number are "-INF", "INF", "NaN". If invalid format and checked is false return null, otherwise throw ParseErr. This string value cannot include a unit (see parseNumber).

Examples:

parseFloat("123.456").format("0.000")
parseFloat("NaN")
parseFloat("INF")