function advElTab(node) {
        // node.elementtype
        const type = $('#node-input-elementtype').val()

        // @ts-ignore - Clone the template and apply to the UI
        // const docFrag = templ.content.cloneNode(true)
        // $('#el-tab-conf').append(docFrag)
        $('#el-tab-conf').html(elTypes[type].options)
        // Get any required functions for this type from the template (append runs the script tags immediately)
        // const confFns = window['uibElementConfigFns']
        // console.log('confFns', confFns.type, confFns)
        // Re-constitute node.conf properties and values to the conf tab
        // TODO Deal with select tags
        Object.keys(node.confData).forEach( conf => {
            $(`#conf-${type}-${conf}`).val(node.confData[conf])
        })
    }
Update advanced settings tab for an element
@param {*} node A node instance as seen from the Node-RED Editor