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A simple counter that starts counting at 1 at the top of the page, and each time it is invoked, will increase its value by one. These counters are transient, and relative to the current page view only - i.e. two persons viewing the same page at the same time get their own counters.

The current counter value is accessible also as a WikiVariable. The name of the variable is "counter", or "counter-<name>", if you have defined a counter name.

Parameters#

• name = counter name. You may define as many counters per page as you want; you just need to separate them with the counter name. This parameter is optional.
• increment = value. (Since 2.8) The amount to increment the counter with, it may be both a positive and a negative value, the default is 1. The parameter is optional.
• start = value (Since 2.8) The starting value of the count, the default value = 0. This parameter is optional.
• showResult = true/false (Since 2.8) Can have the value true or false, and determines if the counter value should be visible on the page, the default is true. This parameter is optional.

Examples#

Here are a few examples:

Specified value	Result on page	Comments
[{Counter}], [{Counter}], [{Counter}], [{Counter name='aa'}]	1, 2, 3, 1	The value of "counter" at the end is 3 and the value of "counter-aa" is 1.
[{$counter}], [{$counter-aa}]	3, 1	-
.[{Counter showResult=false}]. [{Counter}].	..5.	the first result(4) is not visible, the second is visible
[{Counter start=15}] [{Counter}]	15 16	set the offset to 15 and start counting
[{Counter }] [{Counter increment=10}]	17 27	the second invocation increases with the specified value of 10

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JSPWikiCorePlugins