How to find path from tree of nodes

Consider a data structure similar to the one below: [ { name: ‘Link1’, url: ‘link1’, }, { name: ‘Link2’, url: ‘link2’, }, { name: ‘Link3’, url: ‘link3’, submenu: [ …

D3 – Dynamically change text of node in tree when pressing a button

I’m trying to update the text nodes of my D3 tree every time I press a HTML button, adding one every time, but I don’t know how to do it properly without having to create the tree again. Can anyone …

Create tree from 2D array and update Google Sheet

I’m trying to create a tree view (and dump that into a Google sheet) of our OrgUnits. I have the following script which pulls and sorts the data: function listAllOUs() { const ouArray = [] const …

How to convert array into a tree structure in javascript

This is my array. I am just trying to frame a hierarchy tree with grandparent->parent->child name relationship. Please help me fix this. Sample input will be like below data = [ {name:’111′,…

Build a tree array (3 dimensional) from a flat array in Typescript/Javascript

I have incoming data in this format: const worldMap = [ { “name”: “Germany”, “parentId”: null, “type”: “Country”, “value”: …

Javascript – recursively remove nodes of a certain type from tree, but reattach and spread eligible children

I’m writing a recursive function on a JSON tree {name, type, [children]} to remove nodes of a certain type. However, the children of the removed node should get re-attached to the parent, if they are …

listout all the files of a folder to the right side of a container using vuejs

In my application, i have list of folders and each containing some files. I have to display those files while choosing particular folder. Those folder will be in left side.While selecting that folder, files will be listed out in right side. my json is like this: So if i choose ‘Animals’ folder then two files will be listed out in right side. Like these : I am new to vuejs. How can i achieve this? Answer You can list the folders on the left side and a variable files on the right side that would be updated by those of

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 be pretty simple but I’m missing something.. Any help? 🙂 Answer Wow, I love this question. And is pretty challenging too! This was one of my first time to take a recursive approach to a certain problem. And I think

Has anyone produced a virtualised javascript tree for thousands of nodes? [closed]

I’m trying to move an application to the web that contains a tree of up to 50,000 nodes. I first tried to produce this using jqxtree widget, but the DOM was far too large and they clearly don’t …