# Welcome to the Highcharts Gantt JS (gantt) Options Reference

These pages outline the chart configuration options, and the methods and properties of Highcharts objects.

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# annotations.animation

Enable or disable the initial animation when a series is displayed for the `annotation`. The animation can also be set as a configuration object. Please note that this option only applies to the initial animation. For other animations, see chart.animation and the animation parameter under the API methods. The following properties are supported:

- `defer`: The animation delay time in milliseconds.