Linked Questions

It seems to me that both events are fired when every resource and its dependent resources have finished loading. This rises some questions: Is there any difference between those events? Which event ...

I'm little confusing by using "onclick" "onmousedown" as a property of HTML elements. Such as: <button onclick="my_JS_function()"></button> or <div onmousedown="...

I already know the Jquery solution $('#myid').one('click', function(event) { ... }); But now I'm finding the Pure JavaScript way because I'm not using Jquery I have checked the once option but it ...

Can someone please explain what the difference is between the following two ways to specifying onload callback functions in javascript? element.onload = callback AND element.addEventListener("load",...

Both codes below do the same thing, first using Vanilla JS and second using JQuery. JQuery code do not have to insert anything inside html tags, while JS have to insert the caller "onclick="myFunction(...

New to javascript and I find myself often trying one before realizing the other one is what I need, are they not doing the same thing?

I was wondering what is the difference between those two ways of listening a message. Here is my assumptions: window.onmesage = onMessage This assign a function to the onmessage attribute of the ...

I apologize if this post has been made before but I wasn't able to find it. Imagine we have <button class="sample-class" role="button" tabindex="0" id="onEvent">play</button> and then a ...

Is it possible to have two listener listening to the same event? I have an event listener listening for the oncanplay video event, and in some other class, in this example the test class, I have to ...

Can someone explain what is the proper way to make certain actions call functions in javascript? Should I use event handlers like onclick="callFunction();"? Or should I use an event listener? If yes, ...

I am developing an app and speed is a concern. When attaching events to elements there are two ways that I know how to do it: element.addEventListener('click', function() { // code to execute ...

What is the difference between using addEventListener() in your Javascript code like this example: Array.from(document.querySelectorAll('.element')).forEach(el => { el.addEventListener('ondrop',...

I'm curious here, I know that it's possible to attach multiple event handlers to same element if I use DOM Level 2 method called addEventListener(), so I'm wondering if we have this situation: ...

Are any of these versions correct? I would like the icon to change after clicking the menu. in Javascript these are my beginnings and I don't know what is right const menu = document.querySelector('#...

If I have below button : <button type="button" id="send_email" class="btn btn-primary" onclick="sendEmail();">Send</button> So, which is better calling JS function or using click event ...