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What is the method for javascript to cancel the click event?

2025-04-09 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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This article mainly explains the "javascript cancel click event method is what", the article explains the content is simple and clear, easy to learn and understand, the following please follow the editor's train of thought slowly in depth, together to study and learn "javascript cancel click event method is what" it!

1. If the event is bound using onclick, then we can delete the event handler to implement the cancel click event.

Btn.onclick=null;// delete event handler

2. If you add an event using the addEventListener () method, you can remove the event through removeEventListener ().

Btn.aaddEventListener ('click',function () {alert (1);}, false); btn.removeEventListener (' click',function () {alert (1);}, false); / / useless!

AaddEventListener and removeEventListener seem to pass in the same parameter, but in fact the second parameter of removeEventListener is a completely different function from the second parameter of aaddEventListener!

If you want to move out, you have to:

Var fn=function () {alert (1);}; btn.aaddEventListener ('click',fn,false); btn.removeEventListener (' click',fn,false); / / effectively thank you for your reading. The above is the content of "what is the method of canceling click events in javascript". After the study of this article, I believe you have a deeper understanding of what is the method of canceling click events in javascript, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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