l.rightAlign)
                        classes += " rightAlign"
                    if (classes.length > 0)
                        td.setAttribute("class", classes)
                    tr.appendChild(td)
                    let value = col.values[row]
                    if (value.frameId !== undefined) {
                        let frameId = value.frameId
                        let expanded = rootDf.expandedFrames.has(frameId)
                        let link = document.createElement("a")
                