zoomStart

Fired when the user uses the mousewheel to zoom the chart.

The event handler function context (available via the this keyword) will be set to the widget instance.

Event Data

e.axisRanges Object

A hastable containing the initial range (min and max values) of named axes. The axis name is used as a key.

e.originalEvent Object

The original user event that triggered the drag action.

e.preventDefault Function

If invoked the zoom operation will abort.

e.sender kendo.dataviz.ui.Chart

The widget instance which fired the event.

Example - subscribe to the "zoomStart" event during initialization

<div id="chart"></div>
<script>
$("#chart").kendoChart({
  series: [
    { data: [1, 2] }
  ],
  zoomStart: function(e) {
/* The result can be observed in the DevTools(F12) console of the browser. */
    console.log("zoomStart");
  }
});
</script>

Example - subscribe to the "zoomStart" event after initialization

<div id="chart"></div>
<script>
function chart_zoomStart(e) {
/* The result can be observed in the DevTools(F12) console of the browser. */
  console.log("zoomStart");
}
$("#chart").kendoChart({
  series: [
    { data: [1, 2] }
  ]
});
var chart = $("#chart").data("kendoChart");
chart.bind("zoomStart", chart_zoomStart);
</script>