I’m trying to search for a contact in Whatsapp Web search bar, first I want to focus in search bar and then enter the contact to execute the search. I’m selecting the div with: Dispatch event returns true but has no effect in search box Answer You can just use element.focus() or element.select(), …
Tag: dom
Finding position of dom node in the document source
Context I’m building a set of ‘extractor’ functions whose purpose is to extract what looks like components from a page (using jsdom and nodejs). The final result should be these ‘component’ objects ordered by where they originally appeared in the page. Problem The last part of th…
How to replace a loop for a loop?
I have a grid made with a preset value that I’d like to have a function that replaces it with a grid who’s cells are generated with dynamic values gotten from a prompt input. The code for both grids work independently if I were to remove the other’s code, but for whatever reason I can’…
Document resize event is not working in javascript/react
I want to look for a resize event and then set the graph’s current width based upon widow width. Below is the code that registers an event inside the useEffect – None of the above logs working. And if I use onresize to listen event it works. This is happening for Chrome as well for Mozilla. What I…
javascript detect scrolling past the end of the window when scroll event doesn’t fire
I have a site in which all sections take 100vh/vw, and I want to animate the opacity transition when user attempts to scroll up/down. The thing is, the scroll event doesn’t fire because the window hasn’t really scrolled. here’s the codepen, and the gist of it: is this even possible? And if n…
Change of pictures over and over by using setInterval
Below is a program that is to loop pictures with fade-in effect. It includes this statement: I understand that this statement assigns the opacity value of a window object to a variable opacity, but there is no such opacity variable declaration of any elements in the program! When I remove this statement, it o…
How can I get the user’s selection’s center anchor point position (x, y) relative to the document/window?
How can I get the user’s selection’s center anchor point position (x, y) relative to the document/window? I only know how to get selected nodes using window.getSelection(). But not the position: example use case Answer You can use getBoundingClientRect() for this purpose. To get the center point, …
Building a keyboard and missing onclick event
I’m building a virtual keyboard with vanillla javascript but don’t know where to add the onclick event listener to the buttons or how to grab them. I have a printKeys function that loops thru the array and prints them onload, and I have an unfinished typeKeys function where I’m trying to gra…
How to avoid affecting HTML tags in childNodes during innerHTML string.replace()?
I am aiming to replace each word in a document P tags with a span element. While the below code does the trick well for the first case, the following ones overlap, and start to destroy the HTML structure of our P tag completely. See image for unwanted output Wondering if my approach is a wrong one, or would n…
Dynamically append the element through JavaScript Dom
Hers’s question which I need answer Exercises: Level 1 Question 1 I tried to append the child dynamically and get the result vertical not in the compact manner as you will see in the question output when you go to the link You can see the code of both HTML and javascript above!!! Do help with the code w…