The JavaScript interpreter considers the .
to be a decimal point, and therefore does not expect an alphabet character to follow it, hence the "unexpected token" error. Putting 123
in parentheses tells the interpreter, "run toString()
on this object."
Javascript auto inference using .toString() [duplicate]
-
08-07-2023 - |
题
Why doing this
123.toString()
gives an error...
but this
(123).toString()
Works OK
if possible and "at low level" answer (JIT/Interpreter parsing tokens decisions)
解决方案
不隶属于 StackOverflow