## Sparkline class

A sparkline represents a tiny chart or graphic in a worksheet cell that provides a visual representation of data.

```javascript
class Sparkline;
```


## Properties

| Property | Type | Description |
| --- | --- | --- |
| [dataRange](#dataRange--)| string | Represents the data range of the sparkline. |
| [row](#row--)| number | Readonly. Gets the row index of the sparkline. |
| [column](#column--)| number | Readonly. Gets the column index of the sparkline. |

## Methods

| Method | Description |
| --- | --- |
| [toImage(string, ImageOrPrintOptions)](#toImage-string-imageorprintoptions-)| Converts a sparkline to an image. |
| [toImage(ImageOrPrintOptions)](#toImage-imageorprintoptions-)| Converts a sparkline to an image. |


### dataRange {#dataRange--}

Represents the data range of the sparkline.

```javascript
dataRange : string;
```


### row {#row--}

Readonly. Gets the row index of the sparkline.

```javascript
row : number;
```


### column {#column--}

Readonly. Gets the column index of the sparkline.

```javascript
column : number;
```


### toImage(string, ImageOrPrintOptions) {#toImage-string-imageorprintoptions-}

Converts a sparkline to an image.

```javascript
toImage(fileName: string, options: ImageOrPrintOptions) : void;
```

**Parameters:**
| Parameter | Type | Description |
| --- | --- | --- |
| fileName | string | The image file name. |
| options | [ImageOrPrintOptions](../imageorprintoptions/) | The image options |

### toImage(ImageOrPrintOptions) {#toImage-imageorprintoptions-}

Converts a sparkline to an image.

```javascript
toImage(options: ImageOrPrintOptions) : Uint8Array;
```

**Parameters:**
| Parameter | Type | Description |
| --- | --- | --- |
| options | [ImageOrPrintOptions](../imageorprintoptions/) | The image options. |

**Returns**

The result stream