A non-negative JavaScript safe integer passed as a Win32 message wParam (0 through 9,007,199,254,740,991). Its bit layout depends on the message identifier; larger pointer-width values cannot be represented exactly and are rejected.
wParam
0
9,007,199,254,740,991
A non-negative JavaScript safe integer passed as a Win32 message
wParam(0through9,007,199,254,740,991). Its bit layout depends on the message identifier; larger pointer-width values cannot be represented exactly and are rejected.