Add or edit tables in Notes on iCloud.com
You can add tables to notes and edit tables.
Create a table
Go to icloud.com/notes, then sign in to your Apple Account (if necessary).
Select a note.
Click where you want to add the table, then click
.An empty table with two rows and two columns is added to your note.
Do any of the following:
Type in a cell: click the cell, then start typing.
Move within the table: press Tab or use the arrow keys to move between table cells.
Delete content in a cell: select the text in a cell, then press Delete.
Add or delete rows and columns
Go to icloud.com/notes, then sign in to your Apple Account (if necessary).
Select a note with a table.
In the row or column you want to work with, click a cell.
Click
to the left of the row to select the row, or click 
above the column to select the column.Click
, then choose an option.
You can also add a new row to the bottom of the table by pressing Tab, Return or Enter when you are in the last cell of the table.