Task : to create a function that removes the outer element of an array if the inner array contains a certain number. i.e filteredArray([[10, 8, 3], [14, 6, 23], [3, 18, 6]], 18) should return [[10, 8, 3], [14, 6, 23]] I would like an explanation as to what exactly the code is doing/reading when causing this e…
Tag: arrays
Languages Statistic
I have to implement the “getLanguagesStatistic” function, which will help the IT magazine summarize 2019 in terms of the popularity of programming languages. As input, the function receives an array of user reviews. You need to return an object in the format {languageName: count, anotherLanguageNa…
JavaScript: Rebuild Array of Objects using Reduce
I have an array of objects that I’m trying to rebuild without any success: I have the below code which produces the following undesired result: I am stuck on trying to convert options to an Array of Objects with value and label as properties. Also im struggling trying to reword TemplateCategory property…
Merging non-matching timeseries arrays in JS?
My question is of data manipulation. Say I have multiple data arrays with the structure as follows: With real data it could look e.g. like this: The I need to merge multiple of such arrays into one, which is is easy if the time axes are matching. If I have e.g. three short sample arrays: they would be merged …
Compare two array of objects and return matching values in a new array
I have two arrays of objects: inputData and jobList. I have to compare the primarySkills array of both the array of objects and return only those values which are matching in both the array.My array of objects are as below: I have done the below mentioned code to achieve this: Answer Edit according to the OP&…
Javascript reorder array of nested arrays in particular order
I am looking for a way to reorder the beneath array of nested arrays in a specific order. The values within the exposureLevel array come in any order when imported. Some of these values can also be missing from the exposureLevel array. Beneath are some possible examples of this: I would like the array to be i…
replaceAll in JavaScript for loop is too slow, looking for an alternative approach
I’m making a browser extension that replaces all profane words on a website with ***. Right now, I have a huge JS array with all the profane words (2k+ words). I’m using a for loop to loop over each word in the profaneWords array and replace any instance of a matching word with ***: With this, it …
Map Key value to create a json structure with nested objects using javascript
I want to create an Object of array from the flat array which i will be getting from the query results and want to create json structure as a response to pass it as api response. For eg- Flat array- I want to create a structure like- Expected Output which has user_country array of objects and user_city array …
JS Classic Fibonacci Challenge – Differences between two solutions
I have two solutions to the same challenge, this classic fibonacci challenge that everyone knows how to solve it (even your pets). I kindly ask you NOT to suggest any other solutions. I just want to compare these two solutions. Thousands different solutions can be found with searches. Challenge: Both solution…
How to map an array of objects in a a new array with new key value
I have a situation where I have an array of objects like this: I have to remap the above OBJ to a new one containing its translation which is similar to this from React-intl: formatMessage(formatMessage(messages.emailOptionPlaceholder) And the idea is as follow: so the new array should contain the right trans…