I have an array of objects and I want to merge objects if they have the same property in object key email. The overlapping properties need to be added to merged object. With new object keys it would be best. This seems to be kind of complicated. The result should be something like Answer It would be possible,…
Tag: arrays
Accessing Value in Array Object with Generic Variable for Key
I recognize that I can access the value of an object within an array by passing in the key name, like so: In my case I know the array will always contain exactly one object, with a single key/value pair, like so: That being the case, my question is, is there a way I can pass in a variable representing
The Odin Project – Fundamentals 4 Exercises – sumAll
I am stuck in the sumAll exercise from the Fundamentals 4 portion of the Odin Project. I managed to pass the test in which I need the result to be ‘ERROR’. However, I cannot figure out the correct code to pass the other tests. Where did I go wrong? This is the exercise: My code: Answer I made in this
Matching 2 arrays based on the values of some fields
I have the following list of ingredients in an array called myBar. The ingredient is contained in the attribute “name” I also have a second array called cocktailList containing a list of cocktail recipes. In here the ingredients are contained within the field “ingredients”. I’m t…
How to filter array of objects where object has property tagId or keywordId in JS?
I have an array of objects and I am trying to filter it by checking if the object has property tagId or keywordId. I thought about this but not sure if it’s the correct way. Is there better way to achieve the above-explained result and get a filtered array of objects which include either tagId or keywor…
Why is slice returning an empty array?
I have a set of booleans. Goal: I am trying to change a value based on the index by slicing the old lock array. Issue: If the value is 1, the last part of the array (locks.slice(value + 1)) is returning as empty. Shouldn’t slice returns the selected elements in an array, as a new array object, so itR…
Correct syntax of printing array objects inside array React
I’m new to ReactJS library, and I’m trying to print the following structure of array: This structure of array is hold in state called question, I have tried to create new functional component and print it on user screen but I received the following error: TypeError: quest[0].map is not a function …
How to breakdown an array of objects?
I have an array of objects and i need to classify each object by name and then get the addition of some properties. To be more specific, I have a cart with some orders and i need to breakdown by product name so i can calculate how many items of that product were bought. That is the dummy data, I
Character with longest consecutive repetition
i think i have wirtten the correct code for the problem only one thing and it that i return the first longest sequence how can i alter that to return the last maximum sequence? an example from codewars editor : for input ‘0000000000000011111111111111111222222222222222333333333333334444444444444555555555…
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