convertToString

Converts this expression to a string.

If this is ...

• null, the result is ""

• a boolean, the result is "true" or "false"

• a number, it is converted to a string as specified by the "NumberToString" algorithm of the ECMAScript Language Specification.

• a color, it is converted to a string of the form "rgba(r,g,b,a)", where r, g, and b are numerals ranging from 0 to 255, and a ranges from 0 to 1.

Otherwise, the input is converted to a string in the format specified by the JSON.stringify function of the ECMAScript Language Specification.