CSSRule.type

Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

The read-only type property of the CSSRule interface is a deprecated property that returns an integer indicating which type of rule the CSSRule represents.

Value

An integer which will be one of the type constants listed in the table below.

Type	Value	Rule-specific interface	Comments and examples
`CSSRule.STYLE_RULE`	`1`	`CSSStyleRule`	The most common kind of rule: `selector { prop1: val1; prop2: val2; }`
`CSSRule.IMPORT_RULE`	`3`	`CSSImportRule`	An `@import` rule. (Until the documentation is completed, see the interface definition in the Mozilla source code: nsIDOMCSSImportRule.)
`CSSRule.MEDIA_RULE`	`4`	`CSSMediaRule`
`CSSRule.FONT_FACE_RULE`	`5`	`CSSFontFaceRule`
`CSSRule.PAGE_RULE`	`6`	`CSSPageRule`
`CSSRule.KEYFRAMES_RULE`	`7`	`CSSKeyframesRule` Experimental
`CSSRule.KEYFRAME_RULE`	`8`	`CSSKeyframeRule` Experimental
Reserved for future use	`9`		Should be used to define color profiles in the future
`CSSRule.NAMESPACE_RULE`	`10`	`CSSNamespaceRule` Experimental
`CSSRule.COUNTER_STYLE_RULE`	`11`	`CSSCounterStyleRule` Experimental
`CSSRule.SUPPORTS_RULE`	`12`	`CSSSupportsRule`
`CSSRule.DOCUMENT_RULE`	`13`	`CSSDocumentRule` Experimental
`CSSRule.FONT_FEATURE_VALUES_RULE`	`14`	`CSSFontFeatureValuesRule`
`CSSRule.VIEWPORT_RULE`	`15`	`CSSViewportRule` Experimental
`CSSRule.REGION_STYLE_RULE`	`16`	`CSSRegionStyleRule` Experimental
`CSSRule.UNKNOWN_RULE`	`0`	`CSSUnknownRule` Deprecated
`CSSRule.CHARSET_RULE`	`2`	`CSSCharsetRule` Deprecated	(Removed in most browsers.)

Examples

let myRules = document.styleSheets[0].cssRules;
console.log(myRules[0].type);

Specifications

Specification
CSS Object Model (CSSOM) # concept-css-rule-type

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`type`	1	12	1	9	≤12.1	1	1	18	4	≤12.1	1	1.0

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https://developer.mozilla.org/en-US/docs/Web/API/CSSRule/type

Name	Web APIs
Version
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Last Updated	2022-04-27T09:33:08Z