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Tag: javascript

Make Collapsible Divs NOT hidden by default

I am using the Collapsible divs code from here: https://www.w3schools.com/howto/howto_js_collapsible.asp The collapsible divs are hidden by default, but I can’t figure out how to edit the JavaScript to make it so they are all visible by default & only hidden when you click the button to hide them. Code from Example: HTML CSS Java-Script Any help would be much appreciated.

scrollIntoView onClick reactjs

hello I have a few buttons and I want to scroll to them when clicked. as you can see thereĀ“s a lot of scroll caused by those 2 divs. the idea is to scroll down and when you reach the buttons and click the one you need. the page scrolls to that button leaving it in the top of the

Build tree from edge pairs and root

I’m trying to write a program that takes an array of edge pairs and turns it into a tree. I’m given a root. In this example, the root is 2. The only constraint is, each node can max have 2 children. Sample input: Expected output: Would look something like this: This is my attempt so far: Feel like this should

Issue with Auth0 and javascript Lock v11

I’m trying to test a basic authentication module on my web app using auth0 and Lock v1 login form. This is a snapshot of the code I’m using: The problem is that I’m not able to get the auth0 modal since I’m getting the following error: I don’t understand if I’m configuring in a wrong way my application on Auth0

Nodejs module extends with other module

Hi i have parent module like this. and a Child prototype class like this. How i implement inheritance? I searched by google but no solution works for me. Answer As @jfriend00 said, I write these functions with class keyword which is a syntactic sugar for your code! usermgmt.js Write authentication like this. authentication.js And usage for authentication will be: 1)

Destructuring assignment, but without a pattern

The following appears to be valid JavaScript: Is there a specific use-case for an empty destructuring assignment pattern (is this the right word?) like this? Answer I’d say it’s there for consistency. It’s permissible to destructure an empty property list because, otherwise, they’d have to implement code to spcifically disallow it. Although it may not appear serve any purpose it’s

destructing es6 in array push

i want to use something like destructing assignment in ES6 for having cleaner code but i dont know how to use it in something like pushing in array or anyway can is use it or something similar?. this sample code is in vue js: Answer Try this code: or this: And then you can remove unnecessary words, like this:

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