# Javascript number Max * 253-1 * +/- 9,007,199,254,740,991 JS 做任何序列化都會因為沒有型別導致型別受限, int 或 uint 只能選一種 ## Reference 1. https://stackoverflow.com/questions/307179/what-is-javascripts-highest-integer-value-that-a-number-can-go-to-without-losin 2. https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER