# 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.

# series.bubble.sizeByAbsoluteValue

When this is true, the absolute value of z determines the size of the bubble. This means that with the default `zThreshold` of 0, a bubble of value -1 will have the same size as a bubble of value 1, while a bubble of value 0 will have a smaller size according to `minSize`.