IE button click with VBA - vba

Question

Can't get the "GO" button to click via VBA on this site: https://finra-markets.morningstar.com/BondCenter/BondDetail.jsp?ticker=C631551&symbol=RDS4242315
Will eventually want to loop code. Should be simple...just can't get this one.
Sub Macro1()
'we define the essential variables
Dim ie As Object
Dim acct
Dim button
Set Rng = Range("B4:B4")
Set Row = Range(Rng.Offset(1, 0), Rng.Offset(1, 0).End(xlDown))
For Each Row In Rng
'add the "Microsoft Internet Controls" reference in your VBA Project indirectly
Set ie = CreateObject("InternetExplorer.Application")
With ie
.Visible = True
.navigate ("https://finra-markets.morningstar.com/BondCenter/BondDetail.jsp?ticker=C631551&symbol=RDS4242315")
While ie.ReadyState <> 4
DoEvents
Wend
Set Cusip = .document.getElementById("ms-finra-autocomplete-box") 'id of the username control (HTML Control)
Cusip.Value = Range("B" & Row.Row).Value
ie.document.getElementsByTagName("submit").Click
End With
Next Row
End Sub

Answer 1

The tag name of your button is not "submit" but "INPUT" ... "submit" is the type.
But watch out, there are more INPUT elements, so your getElementsBy... will return a collection and you need to further dig to find the correct one, e.g. by checking a significant attribute.
Example
' ...
Set ECol = ie.document.getElementsByTagName("input")
For Each IFld In ECol
If IFld.getAttribute("class") = "button_blue autocomplete-go" Then
IFld.Click
Exit For
End If
Next IFld
' ...