@serenity-is/corelib / LayoutTimer / onWidthChange

Function: onWidthChange()

onWidthChange(element, handler, opt?): number

Defined in: src/compat/layouttimer.ts:187

Registers a handler invoked only when the width of the element changes. Convenience wrapper around onSizeChange with height: false.

Parameters

element

() => HTMLElement

Factory returning the target HTMLElement.

handler

() => void

Callback invoked on width change.

opt?

Optional debounce configuration.

debounceTimes?

number

Number of polls to debounce before firing.

Returns

number

A numeric registration key.