Read attributes:
Usage: <HTMLElement>.attr(name <String>)
Read (the 'data-num' attribute is read and added after each item):
- First
- Second
- Third
- Fourth
- Fifth
- Sixt
- Seventh
- Eight
- Nineth
- Tenth
- None
Write attributes to existing elements (check in element inspector or console):
- First
- Second
- Third
- Fourth
- Fifth
- Sixt
- Seventh
- Eight
- Nineth
- Tenth
- None