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
12 13 14 15 16 17 18 19
20 21 22 23
24 25 26 27 28
29 30 31 32 33 34 35 36
37 38 39 40 41