title: Update your table by javascript
keywords: Jexcel, javascript, excel-like, spreadsheet, javascript programmatically changes
description: How to update your spreadsheet programmatically via JavaScript.
[Back to Examples](/jspreadsheet/v3/examples "Back to the examples section")
# Programmatically table updates
## Insert, remove and move columns and rows
The following example shows how to manage data programmatically in your javascript spreadsheet.
```html
```
## Updating column width and row height
Update the table width and height properties.
```html
```