Availability
DOM Level 2 CSS
Synopsis
unsigned long insertRule(String rule,unsigned long index)
throws DOMException;
Arguments
rule
The complete, parseable CSS string representation of the rule to be
added.
index
The position at which the new rule is to be inserted into the
cssRules array, or the
cssRules.length to append the new rule at the end
of the array.
Returns
The value of the index argument.
Throws
This method throws a DOMException with one of the following
code values in the following circumstances:
HIERARCHY_REQUEST_ERR
CSS syntax does not allow the specified
rule at the specified position.
INDEX_SIZE_ERR
index is negative or greater than
cssRules.length.
NO_MODIFICATION_ALLOWED_ERR
This @media rule and its
cssRules array are read-only.
SYNTAX_ERR
The specified rule contains a syntax
error.
Description
This method inserts the specified rule
into the cssRules array at the specified
index.