# Javascript: SubTextPartEventArgs.start Property

> The 1-based position of the first character which belongs to the subtextpart.

- **Product:** DS Server
- **Section:** Reference
- **Kind:** Property
- **Introduced:** 24.0
- **Path:** DS Server > Reference > JavaScript API > Javascript: SubTextPartEventArgs.start Property
- **166 words**
- **Web URL:** https://docs.textcontrol.com/ds-server/reference/javascript/subtextparteventargs/start-property/
- **LLMs URL:** https://docs.textcontrol.com/ds-server/reference/javascript/subtextparteventargs/start-property/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/ds-server/reference/javascript/subtextparteventargs/start-property/llms-full.txt

---

### Description

The 1-based position of the first character which belongs to the subtextpart.

### Syntax

```javascript
<number> SubTextPartEventArgs.start
```

### Examples

The following example demonstrates `SubTextPartEventArgs.start` in a practical document-editing workflow. The 1-based position of the first character which belongs to the subtextpart.

```javascript
function inspectStart(subTextPartEventArgs) {
    const start = subTextPartEventArgs.start;
    console.log("start:", start);
}
```

---

## Nearby

- **Previous:** [Javascript: SubTextPartEventArgs.number Property](https://docs.textcontrol.com/ds-server/reference/javascript/subtextparteventargs/number-property/llms-full.txt)
- **Next:** [SubTextPartInfo Object](https://docs.textcontrol.com/ds-server/reference/javascript/subtextpartinfo/llms-full.txt)