refreshRowHeights

What does this API do?

Recalculates row heights after content or height callback inputs change.

Exact input and result types

refreshRowHeights(): Promise<void>

The return type is Promise<void>.

Usage flow

After registering and initializing the Grid element, call grid.refreshRowHeights(…). Read the return value with await. For methods returning a boolean or report, inspect the result before continuing.

Feature explanations and examples

• Large data sets

  Virtualization renders only row and column DOM needed near the viewport. It is separate from row models that fetch only part of the data from a server.