Interface CSSMediaRule
- All Superinterfaces:
CSSRule
The
CSSMediaRule
interface represents a @media rule in a CSS
style sheet. A @media
rule can be used to delimit style
rules for specific media types.
See also the Document Object Model (DOM) Level 2 Style Specification.
- Since:
- 1.4, DOM Level 2
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Field Summary
Fields declared in interface CSSRule
CHARSET_RULE, FONT_FACE_RULE, IMPORT_RULE, MEDIA_RULE, PAGE_RULE, STYLE_RULE, UNKNOWN_RULE
Modifier and TypeFieldDescriptionstatic final short
The rule is aCSSCharsetRule
.static final short
The rule is aCSSFontFaceRule
.static final short
The rule is aCSSImportRule
.static final short
The rule is aCSSMediaRule
.static final short
The rule is aCSSPageRule
.static final short
The rule is aCSSStyleRule
.static final short
The rule is aCSSUnknownRule
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Method Summary
Modifier and TypeMethodDescriptionvoid
deleteRule
(int index) Used to delete a rule from the media block.A list of all CSS rules contained within the media block.getMedia()
A list of media types for this rule.int
insertRule
(String rule, int index) Used to insert a new rule into the media block.Methods declared in interface CSSRule
getCssText, getParentRule, getParentStyleSheet, getType, setCssText
Modifier and TypeMethodDescriptionThe parsable textual representation of the rule.If this rule is contained inside another rule (e.g. a style rule inside an @media block), this is the containing rule.The style sheet that contains this rule.short
getType()
The type of the rule, as defined above.void
setCssText
(String cssText) The parsable textual representation of the rule.
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Method Details
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getMedia
MediaList getMedia()A list of media types for this rule. -
getCssRules
CSSRuleList getCssRules()A list of all CSS rules contained within the media block. -
insertRule
Used to insert a new rule into the media block.- Parameters:
rule
- The parsable text representing the rule. For rule sets this contains both the selector and the style declaration. For at-rules, this specifies both the at-identifier and the rule content.index
- The index within the media block's rule collection of the rule before which to insert the specified rule. If the specified index is equal to the length of the media blocks's rule collection, the rule will be added to the end of the media block.- Returns:
- The index within the media block's rule collection of the newly inserted rule.
- Throws:
DOMException
- HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at the specified index, e.g., if an@import
rule is inserted after a standard rule set or other at-rule.
INDEX_SIZE_ERR: Raised if the specified index is not a valid insertion point.
NO_MODIFICATION_ALLOWED_ERR: Raised if this media rule is readonly.
SYNTAX_ERR: Raised if the specified rule has a syntax error and is unparsable.
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deleteRule
Used to delete a rule from the media block.- Parameters:
index
- The index within the media block's rule collection of the rule to remove.- Throws:
DOMException
- INDEX_SIZE_ERR: Raised if the specified index does not correspond to a rule in the media rule list.
NO_MODIFICATION_ALLOWED_ERR: Raised if this media rule is readonly.
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