[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [IncrementalUpdater](./rc-js-util.incrementalupdater.md) ## IncrementalUpdater class Performs update operations once every `waitPeriod` until the iterator returned by [IIncrementallyUpdatable](./rc-js-util.iincrementallyupdatable.md) is exhausted. **Signature:** ```typescript export declare class IncrementalUpdater implements IIncrementalUpdater ``` **Implements:** [IIncrementalUpdater](./rc-js-util.iincrementalupdater.md) ## Constructors

Constructor	Modifiers	Description
[(constructor)(updatable, waitPeriod)](./rc-js-util.incrementalupdater._constructor_.md)		Constructs a new instance of the `IncrementalUpdater` class

## Properties

Property	Modifiers	Type	Description
[isUpdating](./rc-js-util.incrementalupdater.isupdating.md)		boolean	Remains true while the update is suspended.

## Methods

Method	Modifiers	Description
[beginUpdate()](./rc-js-util.incrementalupdater.beginupdate.md)		Start a new update cycle. If an update was already in progress it will be cancelled.
[cancel()](./rc-js-util.incrementalupdater.cancel.md)		Cancel the update and clear the task.
[resume()](./rc-js-util.incrementalupdater.resume.md)		Resumes the currently suspended task. It is an error to call this if there is not a currently suspended task.
[suspend()](./rc-js-util.incrementalupdater.suspend.md)		Suspends the current task if one is active.