# JS API Reference

# Welcome to the Highcharts JS Options Reference

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

Feel free to search this API through the search bar or the navigation tree in the sidebar.

# plotOptions.venn.cluster.layoutAlgorithm.gridSize

When `type` is set to the `grid`, `gridSize` is a size of a grid square element either as a number defining pixels, or a percentage defining a percentage of the plot area width.