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Does jQuery's `change()` Event Trigger on CSS Class Modifications?

Patricia Arquette
Patricia ArquetteOriginal
2024-12-18 19:27:11327browse

Does jQuery's `change()` Event Trigger on CSS Class Modifications?

Event Triggers upon CSS Class Changes via jQuery

In the realm of jQuery, it's often desirable to activate specific events when CSS classes undergo changes. However, the inherent question arises: does the default jQuery change() event get triggered automatically upon CSS class modifications?

The answer, unfortunately, is no. The change() event is exclusively triggered when the focus leaves an input element after its value has been altered. Therefore, to effectively listen for CSS class changes, alternative approaches are necessary.

One option is to manually trigger custom events using jQuery's trigger() function. By employing event listeners, we can execute specific actions whenever a CSS class is added or removed. The following code snippet demonstrates this technique:

$(this).addClass('someClass');
$(mySelector).trigger('cssClassChanged')

...

$(otherSelector).bind('cssClassChanged', data, function(){ do stuff });

This approach allows you to create tailored events that respond specifically to CSS class changes, enabling you to achieve desired functionality within your application.

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