I know it is possible to add an event listener to a custom event that I have created in Javascript, like this:  window.addEventListener("MyCustomEvent", myFunction, false);   But...Is it possible to list All custom events that exist at any po...

I am building a javascript based application with php and mysql in backend. Because of complexity of code, I want to be able to trigger custom events and do operation whenever that even is captured.  So I came across  this and  this. According to thi...

I've used jQuery version 2.2.4 and tried to capture event - no luck. Is there any way to fix issue?  This code works:  window.addEventListener('test.namespace', e => console.log('CustomEvent with namespace captured by vanilla')...

I'm creating a custom event in plain javascript and attaching it to a DOM element. The element has multiple event listeners for the same event. The code I've written is:  var element = document.getElementById('demo');  element.addEven...

There is a 3rd party piece of code running in a "friendly" iframe on a page. The code may or may not have added a listener for one of it's own custom events to any element on the outer page, or in one of the iframes somewhere on the page...

I've created a custom element:  const templ = document.createElement('template'); templ.innerHTML = ` <span><slot></slot></span> `;   class SlideButton extends HTMLElement {      constructor() {         super();...

This seems to be a duplicate question. But I have searched many places, I could not be able to find proper example of sending event data using plain javascript(not using jQuery).  https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent doesn&#...

Summary:  This is ultimately a question about Vue.js(although I assume it applies to JavaScript in general).  First a bit of background:  I noticed something in the Angular style guide which serves as a basis for the question about Vue.   Angulars st...

In JQueryMobile you can do this:  $(document).on("pagebeforehide","#pagetwo",function(){   alert("pagebeforehide event fired - pagetwo is about to be hidden"); });   Is this possible with custom events? Something like so:  doc...

Is there a way to trigger a custom event in javascript, so that it will propagate using the capture model?  I have a hierarchy of elements that I use as a mean to communicate between objects. Each level of the hierarchy represents a sub-family of obj...