I want to create a new array that holds the values’s sum of all vowels for every word. The characterLetter function works just fine in finding out how many vowels are in a word, but I don’t know how to create an array where those every word submited has its own correspond vowels’ sum. My goa…
Tag: arrays
for loop skipping one item in array in javascript
I am trying to make a function that removes strings from an array if they include a character in a certain other list Here is the code: Here I am trying to remove all the words that include the letter o. I created a temporary array in the function because it has happened to me before that a for loop
Auto complete as you type in JavaScript
I was looking the w3cschool link for auto complete as you type. https://www.w3schools.com/howto/howto_js_autocomplete.asp The above only works for the first ordering for names eg. If country name is United States. You need to type Uni and it shows in drop-down. How to make it work if you type any letter eg te…
What is the best way to reduce and merge a collection of objects
So I reached a dilemma this week while trying to solve what seemed to be an easy problem, but I was wrong. Sample code: So the problem was being able to map through the array and merge/sum the values if their unique identifiers match. Any suggestions? End result would look something like this: Now of course t…
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…
How to update the quantity in my array in the local storage
I’m creating a shopping cart where in if I add to cart, the quantity should be added to the previous quantity. In my case it only sets to a quantity and is not adding. Here is the code that I tried: Answer Just needed a slight modification to the addition logic. You need to check if it already exists in
fetching specific object from array
In following example I am trying to get specific object from an array.First I am checking if it is there using find and after that getting only that object. Answer Fixed it in below snippet. Check it out.
TypeError: comments.map is not a function ReactJs instagram clone
Im a very beginner in ReactJs and i’m working on an instagram clone where i found this error and can’t fix it at the moment after a lot of searches in stackoverflow and google as well. the ERROR: TypeError: comments.map is not a function Here’s all the code: Answer You are setting a string t…
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…
Permutation on arrays without duplicate and fixed length
I’m having trouble figuring out how to generate a combination of values. Given: should generate: It generates a unique combination for all the items in the array. Basically, the length of the array for each item is Math.round(items.length / 2). Any help would be greatly appreciated. Answer You could tak…