Event Target Javascript. October 24 2017 Checking event target selectors with event bubbling in vanilla JavaScript Event bubbling is an approach to listening for events that’s better for performance and gives you a bit more flexibility Instead of adding event listeners to specific elements you listen to all events on a parent element (often the document or window ).
It doesn’t work the same way as the browser internal event dispatching and the browser event handling code will almost certainly ignore it but it might just be enough to fool javascript code that relies on Eventtarget Also be careful to test it in different browsers as some browsers might define Eventtarget as a nonconfigurable property.
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語法 theTarget = eventtarget 範例 The eventtarget property can be used in order to implement event delegation.
javascript Which objects have the EventTarget interface
The EventTarget interface is implemented by objects that can receive events and may have listeners for them In other words any target of events implements the three methods associated with this interface Element and its children as well as Document and Window are the most common event targets but other objects can be event targets too.
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Definition and Usage The eventtarget property returns which DOM element triggered the event It is often useful to compare eventtarget to this in order to determine if the event is being handled due to event bubbling Syntax event target jQuery Event Methods.
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eventtarget The DOM element that initiated the event To get the desired functionality using jQuery you must wrap it in a jQuery object using either $ (this) or $ (evttarget) The attr () method only works on a jQuery object not on a DOM element $ (evttarget)attr (‘href’) or simply evttargethref will give you what you want Share.