These pages outline the chart configuration options, and the methods and properties of Highcharts objects.
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The mouse wheel zoom is a feature included in Highcharts Stock, but is also
available for Highcharts Core as a module. Zooming with the mouse wheel is
enabled by default in Highcharts Stock. In Highcharts Core it is enabled if
chart.zooming.type is set. It can be disabled by
setting this option to false.