## SparklineGroupCollection class

Encapsulates a collection of SparklineGroup objects.

## Methods

| Name | Description |
| --- | --- |
| [add()](#add) |  |
| [add(type, dataRange, isVertical, locationRange)](#add-1) | Adds an SparklineGroup item to the collection. |
| [add()](#add-2) | Reserved for internal use. |
| [clear()](#clear) |  |
| [clearSparklineGroups(cellArea)](#clearsparklinegroups) | Clears the sparkline groups that overlaps an area of cells. |
| [clearSparklines(cellArea)](#clearsparklines) | Clears the sparklines that is inside an area of cells. |
| [contains()](#contains) | Reserved for internal use. |
| [get(index)](#get) | Gets the SparklineGroup element at the specified index. |
| [get()](#get-1) | Reserved for internal use. |
| [getCount()](#getcount) |  |
| [indexOf()](#indexof) | Reserved for internal use. |
| [iterator()](#iterator) |  |
| [removeAt()](#removeat) |  |

### add() {#add}

### add(type, dataRange, isVertical, locationRange) {#add-1}

Adds an SparklineGroup item to the collection.

| Parameter | Type | Description |
| --- | --- | --- |
| type | Number | SparklineType |
| dataRange | String | Specifies the data range of the sparkline group. |
| isVertical | boolean | Specifies whether to plot the sparklines from the data range by row or by column. |
| locationRange | CellArea | Specifies where the sparklines to be placed. |

**Returns:** Number — `Number` SparklineGroup object index.

### add() {#add-2}

Reserved for internal use.

### clear() {#clear}

### clearSparklineGroups(cellArea) {#clearsparklinegroups}

Clears the sparkline groups that overlaps an area of cells.

| Parameter | Type | Description |
| --- | --- | --- |
| cellArea | CellArea | Specifies the area of cells |

### clearSparklines(cellArea) {#clearsparklines}

Clears the sparklines that is inside an area of cells.

| Parameter | Type | Description |
| --- | --- | --- |
| cellArea | CellArea | Specifies the area of cells |

### contains() {#contains}

Reserved for internal use.

### get(index) {#get}

Gets the SparklineGroup element at the specified index.

| Parameter | Type | Description |
| --- | --- | --- |
| index | Number | The zero based index of the element. |

**Returns:** SparklineGroup — `SparklineGroup` The element at the specified index.

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

Reserved for internal use.

### getCount() {#getcount}

### indexOf() {#indexof}

Reserved for internal use.

### iterator() {#iterator}

### removeAt() {#removeat}