A tag loops through dynamic attributes.

This example shows how to use a simple loop-tag with dynamic attributes. Try reloading the page a few times. The numbers of rows and columns are different each time.

0 1 2
3 4
5 6 7 8 9 10
11
12 13 14 15
16 17 18 19
20 21
22
23 24 25 26 27 28