CSS counter-increment Property
CSS counter-increment property increases the value of one or more CSS counters. This property is very useful when creating auto-numbering feature.
Usages
The following table outline the usages and version history of this property.
| Default value: | none |
| Applies to: | All elements |
| Inherited: | No |
| Version: | CSS2 |
| JavaScript Syntax: | object.style.counterIncrement = "subsection" |
Syntax
Here is a syntax for the CSS counter-increment property
counter-increment: identifier integer | none | initial | inherit;
Property Values
The following table describes the values of this property.
| Value | Description |
|---|---|
| identifier | The name of the counter to increment |
| integer | The integer value to add to the counter. Default increment is 1. Negative values are allowed |
| none | Default. No counters will be incremented |
| initial | Sets default value of this property |
| inherit | Inherits this property from its parent element |
Examples
The example below shows to sets counter-increment property.
body {
counter-reset: section;
}
h1 {
counter-reset: subsection;
}
h1:before {
counter-increment: section;
content: "Section " counter(section) ". ";
}
h2:before {
counter-increment: subsection;
content: counter(section) "." counter(subsection) " ";
}
Browser Compatibility
- Google Chrome 4+
- Mozilla Firefox 2+
- Internet Explorer 8+
- Opera 9.6+
- Safari 3.1+
Note: Here details of browser compatibility with version number may be this is bug and not supported. But recommended to always use latest Web browser.