Which phase is affected by the stopPropagation method?

Quirksmode explains that modern browsers have a capturing phase as well as a bubbling phase, which you can read more about here.

If I decide to implement stopPropagation in my event handler with a Boolean argument specifying the phase, how will it behave?

Will it work in both phases? In other words, if I set it for the capture mode, will it also prevent the bubbling phase? And vice versa?

You can find more information in the W3 reference for stopPropagation.

I'm currently troubleshooting an event handler and need a clear understanding of how stopPropagation() actually works.

javascript

Answer №1

Preventing further execution of event handlers during the capture phase will halt the propagation process, which includes any handlers set to trigger during the bubbling phase.

The W3C documentation on event flow emphasizes the following:

According to this specification, there are three event phases: capture phase; target phase; and bubble phase. Event objects move through these phases in the specified order using the defined partial propagation paths. If a phase is not supported, or if the event object's propagation has been stopped, that phase must be skipped. For example, if the Event.bubbles attribute is set to false, the bubble phase will not be executed, and if Event.stopPropagation() has been called before the event dispatch, all phases will be skipped.

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