event bubbling vs capturing

What is the JS event bubbling? ：Fires a class of events on an object (such as clicking the OnClick event), and if this object defines a handler for this event, then this event invokes the handler, and if the event handler is not d

Yesterday, an interviewer asked me questions, he asked me directly two div nested, all have the click event, click to pop the child div or the parent div. I don't know why.After the inquiry after the information, it is very ashamed. It turns out that he was asking about JS capture and bubbling.I have queried some information:Event Capture (Parent-"son")When you use event capture, the parent element is trigg

1. Event Bubbling: Event bubbling is from the inside out, it is bubbling up along the DOM level, directly to the top, and the HTML element can accept the bubbling event. 2.

What is JS event bubbling? Triggers a class of events (such as clicking the OnClick event) on an object. If this object defines a handler for this event, this event invokes the handler, and if no such event handler is defined or

Condition: the outer layer has a DIV element and the inner layer has a P element. The relationship exists as follows: DIV is the parent element of the P element, while P is the child element of the outer DIV, there is a relationship between the two. Condition: the outer layer has a DIV element and the inner layer has a P element. The relationship exists as follows: DIV is the parent element of the P element, while P is the child element of the outer DIV, there is a relationship between the two.

What is bubbling:Simply put is the event that triggers a child container, and the event of the parent container is then triggered.The alert (' child ') and alert (' parent ') events are added to child and parent respectively, and if we click on Child, we will first execute alert (' child ') and then the parent element's alert (' Parent ') will also be executed, of course, if there are more levels, the paren

If an element defines event A, such as the Click event, if a bubbling event is not blocked after the event is triggered, the event propagates to the parent element The JS bubbling mec

One: event bubbling means: A large container has been set up the event, if the container also contains a small container also set its own events, then because the small container is inside the large container, triggering the event of a small container is also equal to triggering the

What is event bubbling? Event bubbling is an event handler that automatically calls its parent element in the child element's event handler when the parent and child elements have the same

You can have multiple events on a page, or multiple elements that respond to the same thing,Issues caused by event bubbling:Events that you don't want to use at some point, but are triggered by events bubblingSolve the problem:1. Event ObjectBecause Ie-dom and standard DOM implementations of event objects are different, it becomes difficult to get

What is the JS event bubbling? ：Fires a class of events on an object (such as clicking the OnClick event), and if this object defines a handler for this event, then this event invokes the handler, and if the event handler is not d

Implementation of the tap event in zepto. js to prevent bubbling This article mainly introduces the implementation method of the tap event in zepto. js to prevent bubbling. The example analyzes the solution to the click latency caused by bubbling. For more information, see