# Javascript: EditableRegionEventArgs.start Property

> The index (one-based) of the first character which belongs to the editable region.

- **Product:** TX Text Control .NET Server
- **Section:** Reference
- **Kind:** Property
- **Introduced:** 28.0
- **Path:** TX Text Control .NET Server > Reference > JavaScript API > Javascript: EditableRegionEventArgs.start Property
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/editableregioneventargs/start-property/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/editableregioneventargs/start-property/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/editableregioneventargs/start-property/llms-full.txt

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## On This Page

- [Description](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/editableregioneventargs/start-property/#description)
- [Syntax](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/editableregioneventargs/start-property/#syntax)
- [Examples](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/editableregioneventargs/start-property/#examples)

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## Nearby

- **Previous:** [Javascript: EditableRegionEventArgs.length Property](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/editableregioneventargs/length-property/llms.txt)
- **Next:** [Javascript: EditableRegionEventArgs.userName Property](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/editableregioneventargs/username-property/llms.txt)