The JavaScript exception "Invalid code point" occurs when NaN Values,
negative Integers (-1), non-Integers (5.4), or Values larger than 0x10FFFF (1114111) are
used with String.fromCodePoint()....code point" occurs when NaN values, negative Integers (-1), non-Integers...non-Integers (5.4), or values larger than 0x10FFFF (1114111) are...