Creates a new rule for a style sheet.

Syntax

plNewIndex = object.addRule(sSelector, sStyle [, iIndex])

Parameters

sSelector	Required. String that specifies the selector for the new rule. Single contextual selectors are valid. For example, "div p b" is a valid contextual selector.
sStyle	Required. String that specifies the style assignments for this style rule. This style takes the same form as an inline style specification. For example, "color:blue" is a valid style parameter.
iIndex	Optional. Integer that specifies the zero-based position in the rules collection where the new style rule should be placed. -1 Default. The rule is added to the end of the collection.

Return Value

Reserved. Always returns -1.

Remarks

You can add up to 4095 style rules with the addRule method. After that, the method returns an "Invalid Argument" exception.

You can apply rules to a disabled styleSheet, but they do not apply to the document until you enable the styleSheet.

Example

This example uses the addRule method to add a rule that sets all bold text appearing in a DIV to the color blue.

<STYLE>
</STYLE>

<DIV>
Internet Explorer makes <B>HTML</B> dynamic.
</DIV>

<SCRIPT>
   var new_rule;
   new_rule = document.styleSheets[0].addRule("DIV B", "color:blue", 0);
</SCRIPT>

Standards Information

There is no public standard that applies to this method.

Applies To

styleSheet, CSSStyleSheet Constructor

See Also

removeRule, rules, styleSheets