I have object array obj1, obj2, if the name of object cannot have All key name return true if the name of object can have only one All key name and other object return false if the name of object can have only one All key name and no other object return true if the name of object has too
Tag: loops
Find empty and null values in object and update in a counter javascript
I have the below object and I want to count the empty or null values in the object and update it in a property counter of that object. E.g. I have this below object. The result of iterating through this object would let us know that lastName and age is empty or null, so it should update counter: 2 indicating
Showing dates on HTML on option select
I am working on an HTML file that has a drop-down list of months. When I select a month, I want the function to show the dates of the month on the page in this format: 1st of December 2020 2nd of December 2020 . . . 31st of December 2020 Below is my html: I cannot get the function
How to loop through complex JSON tree data?
Problem: I am given JSON tree data that looks something like below: The objective is to take the json object and its id and find matching object with id. let’s just assume its been parsed so it’s treated like an object. Basically, I don’t know how deeply each set of id and name is nested. So…
How to iterate over an array multiple times without repeating summed elements
I am trying to solve this problem but I don’t know why I can’t pass all test cases. I need some help and explanation, how can I count some array (in this example: variable s) multiple times and not repeat the same elements that I already summed. Problem description: Lily has a chocolate bar that s…
How to print items within an array sequentially
I’m learning Node and I’m attempting to create a readme generator. I’ve created my prompts to confirm if the user would like to add gifs/images to their markdown. I’ve made it so that if the user confirmed then they can enter in the number and then I pass it into a for loop that genera…
For Loop is Not Running Khan Academy Project:Bookshelf [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 2 years ago. Improve this question “This program only displays one book. Make an array of books (at least two of them), a…
Traverse JavaScript array and dynamically find deep nested values
I am currently manually looping through an array and doing deeper and deeper nested loops to compare values, but I am curious if there is any way to do this search automatically? I need to find deep nested arrays, compare 1 or 2 values and then also be able to modify the values. Example array. Basically I nee…
Why does it work? “multiply(arr, n) == multiply(arr, n – 1) * arr[n – 1]”
I just can’t understand the lesson “Replace loops using recursion” of freeCodeCamp. I’ll quote that part below; Recursion is the concept that a function can be expressed in terms of itself. To help understand this, start by thinking about the following task: multiply the first n elements of …
How to add a string to an array and return the string
Build a function forLoop. It takes an array as an argument. Start counting from 0, and, using a for loop, add a string to the array 25 times. But not just any string. If your i value is 1, add the string “I am 1 strange loop.”; if your i value is anything else, add the string “I am ${i}