CSSScopeRule: start property
Baseline
2025
Newly available
Since December 2025, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.
The start property of the CSSScopeRule interface returns a string containing the value of the @scope at-rule's scope root.
Value
A string, or null if the @scope at-rule has no scope root defined.
Example
See the main CSSScopeRule page for an example.
Specifications
| Specification |
|---|
| CSS Cascading and Inheritance Level 6 # dom-cssscoperule-start |