headerTooltip

What does this API do?

Supporting description for the header.

Exact input and result types

headerTooltip?: string

Usage flow

Set this on an individual column object in columnDefs. Pass arrays, objects, and callbacks through JavaScript, and use new arrays or objects when applying changes.

Feature explanations and examples

• Cell tooltips

  Tooltips help users briefly inspect truncated names or long descriptions. Do not hide essential errors or guidance exclusively inside tooltips.