Insert td in blank : I am new to programming but I am stuck with a project in Angularjs, it is the simple task of adding a blank row without any data to an html table so that you can notice the separation of the group by the Quality field and, therefore, See it in a more orderly way.

When the quality data changes, the row must be inserted to separate the following information. It is understood?[enter image description here][1]

View HTML

  [1]: https://i.stack.imgur.com/VAPib.png

I have drawn a red line where I want to insert the new rows.

  [2]: https://i.stack.imgur.com/6yhJy.png