# 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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# series.xrange.dataLabels.defer

Whether to defer displaying the data labels until the initial series animation has finished. Setting to `false` renders the data label immediately. If set to `true` inherits the defer time set in plotOptions.series.animation.