---
title: CSSSupportsRule
framework: webkitjs
role: symbol
role_heading: Class
path: webkitjs/csssupportsrule
---

# CSSSupportsRule

## Declaration

```data
interface CSSSupportsRule
```

## Topics

### Instance Properties

- [conditionText](webkitjs/csssupportsrule/1630817-conditiontext.md)
- [cssRules](webkitjs/csssupportsrule/1630278-cssrules.md)

### Instance Methods

- [deleteRule](webkitjs/csssupportsrule/1633911-deleterule.md)
- [insertRule](webkitjs/csssupportsrule/1630096-insertrule.md)

## Relationships

### Inherits From

- [CSSRule](webkitjs/cssrule.md)