Global

nan :: Number

Not a number (NaN)

isNaN :: Number -> Boolean

Test whether a number is NaN

infinity :: Number

Positive infinity

isFinite :: Number -> Boolean

Test whether a number is finite

readInt :: Int -> String -> Number

Parse an integer from a String in the specified base

readFloat :: String -> Number

Parse a floating point value from a String

toFixed :: Int -> Number -> Maybe String

Formats Number as a String with limited number of digits after the dot. May return Nothing when specified number of digits is less than 0 or greater than 20. See ECMA-262 for more information.

toExponential :: Int -> Number -> Maybe String

Formats Number as String in exponential notation limiting number of digits after the decimal dot. May return Nothing when specified number of digits is less than 0 or greater than 20 depending on the implementation. See ECMA-262 for more information.

toPrecision :: Int -> Number -> Maybe String

Formats Number as String in fixed-point or exponential notation rounded to specified number of significant digits. May return Nothing when precision is less than 1 or greater than 21 depending on the implementation. See ECMA-262 for more information.

decodeURI :: String -> Maybe String

URI decoding. Returns Nothing when given a value with undecodeable escape sequences.

encodeURI :: String -> Maybe String

URI encoding. Returns Nothing when given a value with unencodeable characters.

decodeURIComponent :: String -> Maybe String

URI component decoding. Returns Nothing when given a value with undecodeable escape sequences.

encodeURIComponent :: String -> Maybe String

URI component encoding. Returns Nothing when given a value with unencodeable characters.