org.w3c.dom.css
public interface CSSStyleSheet extends StyleSheet
CSSStyleSheet
interface is a concrete interface used to
represent a CSS style sheet i.e., a style sheet whose content type is
"text/css".
See also the Document Object Model (DOM) Level 2 Style Specification.
Since: DOM Level 2
Method Summary | |
---|---|
void | deleteRule(int index)
Used to delete a rule from the style sheet. |
CSSRuleList | getCssRules()
The list of all CSS rules contained within the style sheet. |
CSSRule | getOwnerRule()
If this style sheet comes from an @import rule, the
ownerRule attribute will contain the
CSSImportRule . |
int | insertRule(String rule, int index)
Used to insert a new rule into the style sheet. |
Parameters: index The index within the style sheet's rule list of the rule to remove.
Throws: DOMException
INDEX_SIZE_ERR: Raised if the specified index does not correspond to
a rule in the style sheet's rule list.
NO_MODIFICATION_ALLOWED_ERR: Raised if this style sheet is
readonly.
@import
rule, the
ownerRule
attribute will contain the
CSSImportRule
. In that case, the ownerNode
attribute in the StyleSheet
interface will be
null
. If the style sheet comes from an element or a
processing instruction, the ownerRule
attribute will be
null
and the ownerNode
attribute will
contain the Node
.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 style sheet's rule list of the rule before which to insert the specified rule. If the specified index is equal to the length of the style sheet's rule collection, the rule will be added to the end of the style sheet.
Returns: The index within the style sheet'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 style sheet is
readonly.
SYNTAX_ERR: Raised if the specified rule has a syntax error and
is unparsable.