Showing Error In A Table Row If A Checkbox Is Not Checked Or An Input Field Has No Value On Btn Click

I have a table and dynamic form fields. I would like to show an error on the row having a checkbox and input field if the rows input field is empty and checkbox field in the row is

Solution 1:

Check what jQuery find() method is returning. I think it returns set of elements, not a single one. So you can't get val() of set. Try to get inputfield[0].val()