## WebExtensionCollection class

Represents the list of web extension.

## Methods

| Name | Description |
| --- | --- |
| [add()](#add) | Adds a web extension. |
| [add()](#add-1) | Reserved for internal use. |
| [addWebVideoPlayer(url, autoPlay, startTime, endTime)](#addwebvideoplayer) | Add a web video player into exel. |
| [clear()](#clear) |  |
| [contains()](#contains) | Reserved for internal use. |
| [get(index)](#get) | Gets web extension by the specific index. |
| [get()](#get-1) | Reserved for internal use. |
| [getCount()](#getcount) |  |
| [indexOf()](#indexof) | Reserved for internal use. |
| [iterator()](#iterator) |  |
| [removeAt(index)](#removeat) | Remove web extension by the index. |

### add() {#add}

Adds a web extension.

**Returns:** Number — `Number` The index.

### add() {#add-1}

Reserved for internal use.

### addWebVideoPlayer(url, autoPlay, startTime, endTime) {#addwebvideoplayer}

Add a web video player into exel.

| Parameter | Type | Description |
| --- | --- | --- |
| url | String |  |
| autoPlay | boolean | Indicates whether auto playing the video. |
| startTime | Number | The start time in unit of seconds. |
| endTime | Number | The end time in unit of seconds. |

### clear() {#clear}

### contains() {#contains}

Reserved for internal use.

### get(index) {#get}

Gets web extension by the specific index.

| Parameter | Type | Description |
| --- | --- | --- |
| index | Number | The index. |

**Returns:** WebExtension — `WebExtension` The web extension.

### get() {#get-1}

Reserved for internal use.

### getCount() {#getcount}

### indexOf() {#indexof}

Reserved for internal use.

### iterator() {#iterator}

### removeAt(index) {#removeat}

Remove web extension by the index.

| Parameter | Type | Description |
| --- | --- | --- |
| index | Number | The index. |