> ## Documentation Index
> Fetch the complete documentation index at: https://projectdiscovery-dependabot-npm-and-yarn-static-docsbuilder-0.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Bytes.Buffer

# Class: Buffer

[bytes](/templates/protocols/javascript/modules/bytes).Buffer

Buffer is a bytes/Uint8Array type in javascript

**`Example`**

```javascript theme={null}
const bytes = require('nuclei/bytes');
const bytes = new bytes.Buffer();
```

**`Example`**

```javascript theme={null}
const bytes = require('nuclei/bytes');
// optionally it can accept existing byte/Uint8Array as input
const bytes = new bytes.Buffer([1, 2, 3]);
```

## Table of contents

### Constructors

* [constructor](/templates/protocols/javascript/modules/bytes.Buffer#constructor)

### Methods

* [Bytes](/templates/protocols/javascript/modules/bytes.Buffer#bytes)
* [Hex](/templates/protocols/javascript/modules/bytes.Buffer#hex)
* [Hexdump](/templates/protocols/javascript/modules/bytes.Buffer#hexdump)
* [Len](/templates/protocols/javascript/modules/bytes.Buffer#len)
* [Pack](/templates/protocols/javascript/modules/bytes.Buffer#pack)
* [String](/templates/protocols/javascript/modules/bytes.Buffer#string)
* [Write](/templates/protocols/javascript/modules/bytes.Buffer#write)
* [WriteString](/templates/protocols/javascript/modules/bytes.Buffer#writestring)

## Constructors

### constructor

• **new Buffer**(): [`Buffer`](/templates/protocols/javascript/modules/bytes.Buffer)

#### Returns

[`Buffer`](/templates/protocols/javascript/modules/bytes.Buffer)

#### Defined in

bytes.ts:21

## Methods

### Bytes

▸ **Bytes**(): `Uint8Array`

Bytes returns the byte representation of the buffer.

#### Returns

`Uint8Array`

**`Example`**

```javascript theme={null}
const bytes = require('nuclei/bytes');
const buffer = new bytes.Buffer();
buffer.WriteString('hello');
log(buffer.Bytes());
```

#### Defined in

bytes.ts:60

***

### Hex

▸ **Hex**(): `string`

Hex returns the hex representation of the buffer.

#### Returns

`string`

**`Example`**

```javascript theme={null}
const bytes = require('nuclei/bytes');
const buffer = new bytes.Buffer();
buffer.WriteString('hello');
log(buffer.Hex());
```

#### Defined in

bytes.ts:105

***

### Hexdump

▸ **Hexdump**(): `string`

Hexdump returns the hexdump representation of the buffer.

#### Returns

`string`

**`Example`**

```javascript theme={null}
const bytes = require('nuclei/bytes');
const buffer = new bytes.Buffer();
buffer.WriteString('hello');
log(buffer.Hexdump());
```

#### Defined in

bytes.ts:120

***

### Len

▸ **Len**(): `number`

Len returns the length of the buffer.

#### Returns

`number`

**`Example`**

```javascript theme={null}
const bytes = require('nuclei/bytes');
const buffer = new bytes.Buffer();
buffer.WriteString('hello');
log(buffer.Len());
```

#### Defined in

bytes.ts:90

***

### Pack

▸ **Pack**(`formatStr`, `msg`): `void`

Pack uses structs.Pack and packs given data and appends it to the buffer.
it packs the data according to the given format.

#### Parameters

| Name        | Type     |
| :---------- | :------- |
| `formatStr` | `string` |
| `msg`       | `any`    |

#### Returns

`void`

**`Example`**

```javascript theme={null}
const bytes = require('nuclei/bytes');
const buffer = new bytes.Buffer();
buffer.Pack('I', 123);
```

#### Defined in

bytes.ts:135

***

### String

▸ **String**(): `string`

String returns the string representation of the buffer.

#### Returns

`string`

**`Example`**

```javascript theme={null}
const bytes = require('nuclei/bytes');
const buffer = new bytes.Buffer();
buffer.WriteString('hello');
log(buffer.String());
```

#### Defined in

bytes.ts:75

***

### Write

▸ **Write**(`data`): [`Buffer`](/templates/protocols/javascript/modules/bytes.Buffer)

Write appends the given data to the buffer.

#### Parameters

| Name   | Type         |
| :----- | :----------- |
| `data` | `Uint8Array` |

#### Returns

[`Buffer`](/templates/protocols/javascript/modules/bytes.Buffer)

**`Example`**

```javascript theme={null}
const bytes = require('nuclei/bytes');
const buffer = new bytes.Buffer();
buffer.Write([1, 2, 3]);
```

#### Defined in

bytes.ts:31

***

### WriteString

▸ **WriteString**(`data`): [`Buffer`](/templates/protocols/javascript/modules/bytes.Buffer)

WriteString appends the given string data to the buffer.

#### Parameters

| Name   | Type     |
| :----- | :------- |
| `data` | `string` |

#### Returns

[`Buffer`](/templates/protocols/javascript/modules/bytes.Buffer)

**`Example`**

```javascript theme={null}
const bytes = require('nuclei/bytes');
const buffer = new bytes.Buffer();
buffer.WriteString('hello');
```

#### Defined in

bytes.ts:45