A primitive value that is natively supported by JSON.stringify & JSON.parse.
JSON.stringify
JSON.parse
At runtime, only numbers that survive a JSON round trip exactly qualify: NaN, Infinity, -Infinity & -0 do not. defaultOptions handles those as the Number type.
NaN
Infinity
-Infinity
-0
Number
A primitive value that is natively supported by
JSON.stringify&JSON.parse.