I am learing event.target and event.currentTarget. I think i am clear with the difference between the two. But stuck in a situation where event.currentTarget value turns out to be null. Following are the HTML and JS code snippets: HTML code JavaScript Code My doubt is that in line1 and line3 I got the value o…
Tag: dom-events
How to remove event callback with parameters
I have a web application that page A has video, and page B doesn’t. The video has the onended event when it finishes video playback. I tried to remove the event before the component unmounts with removeEventListener, or the video ended event will be fired after I switched to page B. However, I cannot fi…
JavaScript – Stop redirection without user intervention and get destination URL
I want to run some JS in a webpage so I can click elements that will take me to another webpage and do 2 things: Get the destination URL. Stop the redirection. So far I read about adding an event listener to stop redirection: but there’s always a popup and I cannot figure out the destination address. Ed…
keyCode and which are deprecated – so why is that not working?
According to MDN Web Docs KeyboardEvent and Google Updates KeyboardEvent key and code are implemented while keyCode and which are deprecated. With that in mind I should be able to dispatch keydown event as below: Unfortunately it doesn’t work whilst if I add keyCode additionally this script works perfec…
Is there a way to add ‘live’ Event listener for mouseenter event type with pure JS
I’m trying to add a live version of event listener in pure JavaScript to monitor a mouseenter event in order to execute specific function each time the user enters his mouse on specific element. Here is what I have, but it’s not continuously monitoring the mouseenter: the goal is to keep listening…
Execute Javascript code on HTML button click
I’m currently making an eshop. I use cookies to store the shopping cart. This is my HTML button: And when the user clicks this button I want to execute the following Cart.js code, which simply creates a cookie and add the product id to cookie cart. My problem is that when I click the button it takes no …
How can I make a simple chat/store messages in localhost?
I’m working on exercise, a simple chat/store messages, working on localhost, but it’s not working properly. The objective is to send user and message, and store the user and messages sent with a date. Like:(11:32 @USER: Hello world). This message data (with user,message and date) should be displayed on page, …
How to use If Else in OnChange() event in JavaScript?
This is My HTML code: And JS Code: Whenever onchange() event occurs I want to display Cost Of Ticket according to the selected value of select. But it shows 25000 after onchange() event and then never changes irrespective of the values selected. How to correct the code to complete above task? Answer Let me te…
why my last.addEventListener(“click”,nextLevel) not working?
https://codepen.io/demi-chen/pen/RwGPgxv I try to find the lastElementChild in the first div. It does show …… after I use console.log to check. why the addEventListener not working. I click the lastElementChild smile.png face but it’s not working. if function nextLevel() is working. the left…
Alpine.js how to bind to DOM events with dots in the name
Using Alpine.js version 2.7.3, a component can listen to DOM events using x-on:[event].[modifiers]. But what syntax is used to listen to event names that have dots, like bootstrap’s show.bs.modal? In Vue.js, this can be done by a custom directive (from this question), but I think custom directives can n…