javascript Convert string representation of hex value to hex -

javascript Convert string representation of hex value to hex -

in javascript, how convert string representation of hex value it's hex representation ?

what have returning checksum routine string value "fe". need it's hex representation "\xfe"

i cannot this, gives me error:

var crc = "fe"; var hex = "\x" + crc;

this gives me new 4 character ascii string:

var crc = "fe"; var hex = "0x" + "fe";

thxs guidance.

like this

var hex = parseint("ff", 16);

javascript string hex