title: Programmatic Data Grid Updates in Jspreadsheet v4
keywords: Jexcel, JavaScript, spreadsheet updates, programmatically modify data, JavaScript data grid, Excel-like functionality
description: Learn how to programmatically update your spreadsheet and its data using JavaScript with Jspreadsheet v4.
canonical: https://bossanova.uk/jspreadsheet/v4/examples/programmatically-updates
# Programmatically Data Grid Updates
## Insert, remove and move columns and rows
The following example shows how to manage data programmatically in your javascript spreadsheet.
### Source code
```html
```
## Updating column width and row height
Update the table width and height properties.
### Source code
```html
```