about tables

Question

i have seen this
<td colspan="2"></td>
what is this 'colspan' thing and what is its work.

Answer 1

https://code.sololearn.com/WYZjOS8C5Y7l/?ref=app

Answer 2

https://www.w3schools.com/tags/att_td_colspan.asp

Google still works.

Answer 3

Заполните пробелы