Node.js Buffer.concat() Method
Example
Join three buffer objects into one:
var buf1 = Buffer.from('a');
var buf2 = Buffer.from('b');
var buf3 =
Buffer.from('c');
var arr = [buf1, buf2, buf3];
var buf =
Buffer.concat(arr);
console.log(buf);
Run example »
Definition and Usage
The concat() method joins all buffer objects in an array into one buffer object.
Syntax
Buffer.concat(arr, length);
Parameter Values
| Parameter | Description |
|---|---|
| arr | Required. The array of buffers to concat |
| length | Optional. Specifies the length of the concatenated buffer |
Technical Details
| Return Value: | A Buffer |
|---|---|
| Node.js Version: | 0.7.11 |
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