I have a page where some event listeners are attached to input boxes and select boxes. Is there a way to find out which event listeners are observing a particular DOM node and for what event?  Events are attached using:   Prototype's Event.obse...
Consider the following:  <div onclick="alert('you clicked the header')" class="header">   <span onclick="alert('you clicked inside the header');">something inside the header</span> </div&...
I'm trying to remove an event listener inside of a listener definition:  canvas.addEventListener('click', function(event) {     click++;     if(click == 50) {         // remove this event listener here!     } // More code here ...   How...
How do you prevent an ENTER key press from submitting a form in a web-based application?...
Is inline event handlers considered a bad practice?  For example: <button onclick=someFunction()>Click me!</button>  If so, what are the disadvantages of using inline event handlers?...
Is there any way to trigger event (may be custom) on attribute change?   Let's say, when IMG src is changed or DIV's innerHtml?...
I have always used the mouseover event, but while reading the jQuery documentation I found mouseenter. They seem to function exactly the same.  Is there a difference between the two, and if so when should I use them? (Also applies for mouseout vs m...
I want to call a function after a document loads, but the document may or may not have finished loading yet.  If it did load, then I can just call the function. If it did NOT load, then I can attach an event listener. I can't add an eventlisten...
I'm almost new to react.  I'm trying to create a simple editing and creating mask. Here is the code:  import React, { Component } from 'react'; import Company from './Company';  class CompanyList extends Component {      con...
With jQuery, how do I find out which key was pressed when I bind to the keypress event?  $('#searchbox input').bind('keypress', function(e) {});   I want to trigger a submit when ENTER is pressed.  [Update]  Even though I found the...

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