The insertRow() method inserts a new row at the specified index in a table.
An integer that specifies the position of the row to insert (starts at 0).
The value of -1 can also be used, this results in a new row being inserted at the last position.
This parameter is required in Firefox and Opera, but optional in Internet Explorer, Chrome and Safari.
If this parameter is omitted, insertRow() inserts a new row at the last position in IE and at the first position in Chrome and Safari.
The insertRow() method is supported in all major browsers.
Insert new rows at the first position of the table:
Your message has been sent to W3Schools.