I’m trying to create a Dual List Box using only vanilla Javascript, no JQuery or JS packages, for learning purposes. When a user double-clicks an Option, that Option appends to the other parent Select (boxB) and is removed from the original parent Select (boxA), and vice versa. The Option elements have …
Tag: dom-manipulation
Svelte re-rendering a virtual list of images causes images to flicker
I’m not sure if I should be posting this here or adding to svelte creators github, but I have a problem here which may need a fix to be applied on the svelte side. I am trying to render a virtual list of images, by only having the images that are shown in the viewport, in the DOM. Here’s a
Remove dynamic rendered element from dom in ReactJS
Currently I’ve got a react component that looks like this: Based on the cards array, it renders something like this: Rendered Component Whenever I click the trash button, I make a request to my backend, edit the list on my database and rerender the component based on the now updated “cards”.…
dynamically display value from an axios get request using vanilla javascript and dom manipulation
I thought the code below would do it but it gives me an “TypeError: Cannot read property ‘0’ of undefined”. how can get my data to display? I’m still new to javascript, please keep it simple and easy to understand. Answer You have lots of errors in your displayToDos method. It sh…
Getting elements from multiple html pages into javascript
I have two html pages called home.html and about.html. And I also have a js file called main.js which is linked with both of the html pages.I have a div with a class of “home” in home.html and another div with a class of “about” in about.html. Class “home” has a text and cl…
How can I get the specific user information from the list of users upon click in Javascript?
I am writing a firebase mini chat web app where an admin can be able to privately chat with all the authenticated users. so I used the firebase cloud-function to fetch the list of all users, code: 👇 And from the front-end I called the cloud-function and displayed users using map method. 👇 Users are listed suc…
Appending a DOM element twice (jQuery)
Can someone explain why the following snippet does not add <foo> to both #a and #b? HTML: JS: jsfiddle Edit: thanks for the helpful points, the fact that .append() moves the element explains this behavior. Since the element in my application is actually a Backbone View’s .el, I prefer not to clone…