<div id="chart"></div> <!-- See https://learn.gramener.com/guide/uicomponents/ on importing Vega --> <script src="ui/vega/build/vega.min.js"></script> <script> var spec = <%= spec %> var view = new vega.View(vega.parse(spec)) .renderer('svg') .logLevel(vega.Warn) .initialize('#chart') .hover() .run() </script>