Here is the detail: Eg: [1,1,2,4] (init) -> gen1 [2,1,2,4] -> gen2 [4,1,2,4] -> gen3 [4,2,2,4] -> gen4 [4,4,2,4] -> gen5 (no change) -> gen6 [4,4,4,4] each generation: odd step: +1 or zero even step: +2 or zero in order…
Given the following test environment ... const nodeList = document.querySelectorAll('p'); const testArray = Array.from(nodeList); testArray.every(function (elmNode) { if (elmNode.classList.contains('ipsum')) { console.log( 'All element nodes do feature the `ipsum` css-class name.' ); } }); .lorem { font-family: courier new, courier; }…
I’m facing a cache invalidation problem in Redis, particularly with relational data. For example, I have a User object: { "id": 1, "name": "John" } And a UserClass object: { "user_id": 1, "class_id": 3 } I have an API that…
I try to make a function that returns an arrays of fib sequence up to Nth term. I've done this using iteration and returning n-th term alone with recursion but I can't understand how to save the terms in the…
So I'm working on this problem: Given the root of a binary tree, return the length of the diameter of the tree. The diameter of a binary tree is the length of the longest path between any two nodes in…
Using an Angular application which inserts 'ng-star-inserted' to every node element. I need to check if the target element class exists inside array var footerElementClassList = [ 'footer-links__link', 'social__link-icon', 'bottom__link', ]; const filtered = footerElementClassList.includes('bottom__link ng-star-inserted'); console.log(filtered); Tried below options…
I have text objects (text1, text2, etc) with formatting information (eg. [bold, italic]). Now I want to concat these texts and format them in HTML. For a simple case it would transform the following text1[bold,italic] text2[] text3[bold] into this HTML:…
I have JavaScript code that draws vertical bars and changes their color based on the average music frequency. I tried to change the color of each bar to match the color of the previous bar, but I got a different…
im working my way through the odin project and looking at for loops and different methods. Im trying to find a way to pass this test : test('removes multiple of the same value', () => { expect(removeFromArray([1, 2, 2, 3],…
I want to find if a string contains a palindrome word. An example would be hellosannasmith contains a palindrome word and should return sannas, however givemefood should return none. I first tried it through 2 for loops then I started…