<div id="manager" class="container" style="flex: 1;">
<div data-title="Project List" class="container" style="flex: 1;">1<div>
<div data-title="Manager" class="container" style="flex: 1;">2<div>
<div>
<script>
let tabManager = new UI.TabPanel({
el: document.getElementById("manager")
});
</script>