use strings
chartArea: { margin: 0, padding: 0, height: (screen.height * 0.50), width: (screen.width * 0.35) }, plotArea: { margin: 0, padding: 0, height: (screen.height * 0.50), width: (screen.width * 0.35) },
find the code below
$("#chartNo1").kendoChart({ theme: $(document).data("kendoSkin") || "silver", title: { text: "Store Visits" }, chartArea: { margin: 0, padding: 0, height: (screen.height * 0.50), width: (screen.width * 0.35) }, plotArea: { margin: 0, padding: 0, height: (screen.height * 0.50), width: (screen.width * 0.35) }, legend: { visible: false }, seriesDefaults: { type: "bar" }, series: [{ name: "Total Visits", data: [56000, 63000, 74000, 91000, 117000, 138000] }, { name: "Unique visitors", data: [52000, 34000, 23000, 48000, 67000, 83000] }], valueAxis: { max: 140000, line: { visible: false }, minorGridLines: { visible: true } }, categoryAxis: { categories: ["Jan", "Feb", "Mar", "Apr", "May", "Jun"], majorGridLines: { visible: false } }, tooltip: { visible: true, template: "#= series.name #: #= value #" } }); };