I am creating this recursive nested tree view component in Angular. Goal is that whenever a node is selected, styling should be applied to that node with .node-active class and when other node is selected the previous styling applied should…
I've been studying backtracking / DFS algorithms and came across the balanced parentheses problem. This snippet populates an array with all valid parentheses combos based on the value of argument n. function findCombo(n, cur, usedOpen, usedClose) { if (usedOpen ===…
I'm facing an issue when trying to add a depth value to each object to a nested array. The specific issue I'm facing is that when an object has multiple siblings the depth is applied to the first but not…
may beginner problem? i implement simple recurse code. but, it does not work. what is wrong? or more simple way to do? first block is tried recurse code, second block is sample non-recurse code. both results are should be same.…
For instance, say we're looking at a query string, all-lowercase, all non-numeric, no special character (just [a-z] and =): ?some=querystring&ssembly=containing&n=indeterminate&mount=of&ll=potentially&ccordant=matches Let us take as a given we know there will be three key-value pairs we wish to capture, and even…
print all the multiples of 5 till n in a recursive way. The output should be from 0 5 10 15 20 25..to n function print_output(n){ if (n<0){ return; } if(n%5==0){ console.log(n); } return print_output( n-1); } The output of…
Here is the recursion code. function factorial(n) { if (n === 0 || n === 1) { return 1; } else { console.log(factorial( (n - 1) )); return n * factorial(n - 1); } } const number = 5; const…
// Recursive javascript program for level // order traversal of Binary Tree // Class containing left and right child of current // node and key value class Node { constructor(val) { this.data = val; this.left = null; this.right = null;…
I've been trying to filter an array of objects using recursion and javascript. I was able to recursively transform the initial JSON I get from an API (more than 5k lines) down to the data I need but I seem…
Assume I have this object routes which represent my website routes tree: const r = { HOME: "start", ACCOUNT: { HOME: "account", PROFILE: "profile", ADDRESSES: { HOME: "addresses", DETAIL: ":addressId", }, }, ESHOP: { HOME: "eshop", INVOICES: "invoices", ORDERS: {…