Creates a new rule for a style sheet.
dhtml语法
plNewIndex = styleSheet.addRule(sSelector, sStyle [, iIndex])
Parameters
| sSelector |
Required.
Stringthat specifies the selector for the new rule. Single contextual selectors are valid. For example, "div?a href="../objects/p.html">p?a href="../objects/b.html">b" is a valid contextual selector. |
| sStyle |
Required.
Stringthat 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.
Integerthat 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 apply rules to a disabled stylesheet, but they do not apply to the document until you enable the stylesheet.
DHTML代码范例
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>
是否符合公共标准
There is no public standard that applies to this method.
Applies To
更多语法参考
removerule, rules, styleSheets