Node.js Buffer.concat() Method
The Buffer.concat() method is used to concat all buffer objects in a given array into one buffer object. The return value of this method is also a buffer. If length of buffer is not provided then it is calculated from the Buffer instances in list.
Buffer.concat( list, length )
Parameters: This method accept two parameters as mentioned above and described below:
- list: Contains the list of buffers to concat.
- length: It defines the length of the concatenated buffer. This parameter is optional.
The concatenated buffer: <Buffer 47 65 65 6b 73 66 6f 72 47 65 65 6b 73>
The concatenated buffer: <Buffer 47 6f 6f 64 6d 6f 72 6e 69 6e 67 65 76 65 72 79 6f 6e 65>
Note: The above program will compile and run by using the
node index.js command.