bit()

Gets or sets a specific bit in an integer value.

Syntax

bit(value, bit_position)
bit(value, bit_position, set_value)

Parameter	Type	Description
value	Number	The integer value to read or modify.
bit_position	Number	The bit position (starting from 0).
set_value	Number	Optional. If provided, sets the bit (0 or 1).	optional

If called with two parameters, returns the bit value at the given position (0 or 1).
If called with three parameters, returns the modified integer with the updated bit.

Get the value of bit 2 in 5 (binary 101)

bit(5, 2);   // returns 1

Set bit 1 in 5 (binary 101 → 111)

bit(5, 1, 1);   // returns 7

Clear bit 2 in 7 (binary 111 → 011)

bit(7, 2, 0);   // returns 3