Node.js | Buffer.readUInt8() Method
The Buffer.readUInt8() method is used to read an unsigned 8 bit integer from a Buffer object.
buffer.readUInt8( offset )
Parameters: This method accepts a single parameter offset which specifies the position of buffer object. It represents the number of bytes to skip before starting to read. The value of offset lies between the range 0 to buffer.length – 1. The default value is 0.
Return value: It returns the integer value specified by the offset.
1 2 RangeError [ERR_OUT_OF_RANGE]: The value of "offset" is out of range. It must be >= 0 and <= 2. Received 3 at boundsError (internal/buffer.js:53:9) at Buffer.readUInt8 (internal/buffer.js:141:5)
68 72 97
Note: The above program will compile and run by using the
node index.js command.