# 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.

# chart.parallelAxes.labels.overflow

How to handle overflowing labels on horizontal axis. If set to `"allow"`, it will not be aligned at all. By default it `"justify"` labels inside the chart area. If there is room to move it, it will be aligned to the edge, else it will be removed.