<div id="chart"></div>
<script>
$("#chart").kendoChart({
  series: [{
    type: "line",
    name: "Series A",
    markers: {
      visible: true
    },
    legendItem: {
      type: "area"
    },
    data: [1, 2, 3]
  }, {
    type: "line",
    name: "Series A",
    markers: {
      type: 'roundedRect',
      visible: true
    },
    legendItem: {
      type: "area"
    },
    data: [4, 5, 6]
  }]
});
</script>