nnerHTML += value.value
                        if (expanded) {
                            td.appendChild(link)
                            td.appendChild(document.createElement("p"))
                            const childTable = document.createElement("table")
                            childTable.className = "dataframe"
                            childTable.id = "df_" + frameId
                            let childDf = rootDf.childFrames[frameId]
                            childTable.df = childDf
   