counter-increment
Description
counter-increment increases or decreases counters.
If no <integer> is supplied, it defaults to 1.
| Item | Value |
|---|---|
| Initial value | |
| Inherited | No. |
| Version | CSS2 |
| JavaScript syntax | object.style.counterIncrement="subsection" |
| Applies to | All elements. |
Syntax and Property Values
counter-increment: counter-name1 [integer] ... counter-nameN [integer] |
none |
inherit
The property values are listed in the following table.
| Value | Description |
|---|---|
| none | No counters is incremented |
| id number | The id sets which counter to increment. The number sets the value for increment. The default increment is 1. 0 or negative allowed |
| inherit | Inherit the counter-increment property from the parent element |
Example
<!DOCTYPE HTML>
<html>
<head>
<style>
p:before {<!-- w w w . j a v a2s .co m-->
content: counter(paragraphNumber, upper-roman) ": ";
}
h1 {
counter-reset: paragraphNumber;
}
p {
counter-increment: paragraphNumber;
}
</style>
</head>
<body>
<h1>Heading One</h1>
<p>Here is a paragraph.</p>
<p>Here is a paragraph.</p>
<h1>Heading Two</h1>
<p>Here is a paragraph.</p>
<p>Here is a paragraph.</p>
<h1>Heading Three</h1>
<p>Here is a paragraph.</p>
<p>Here is a paragraph.</p>
</body>
</html>
The code above generates the following result.
