Tag: dictionary

Map + filter – Showing people that have < 18 years and abbreviate names

I wanted to be able to transform the age into a single array, so I would already know how to filter, then apply the mapping to only show people over 18 years old, in addition, to present the abbreviated names of the people. Here what i tried to do: Answer If I’m understanding correctly the desired outco…

Filter array with match regex only returning the first match (javascript)

dictionary filter javascript match regex

I have to filter and map an array of strings into another array,the problem is that it only matches the first match and the other string doesnt match it when it should because I have tried the apttern on regex101 and it worked. I have an object called ‘stacks’ with multiple variables, for simplici…

JAVASCRIPT DICTIONARY CREATION DYNAMICALLY

dictionary javascript

I am back-end developer , and i had to work with Frot-end a little ,but i am stuck in one problem.I am getting data from api and want my data to be stored in this way: Api call looks like this : So , i tried to use map and dict function like this to make dict like above ,but

JS merge Array of the Maps to a single Map

dictionary javascript node.js

I have a structure of All keys are different there. I am trying find the common way to merge it in one Map. I know the way for two Maps: But for this solution I need more common way. Answer You are looking for flatMap:

How to set values for cards in a card deck and compare which one has “higher” or “lower” value?

compare dictionary enums javascript key-value

How to compare card values or even store them ? I’m pulling data from an API that gives me 1 card – and then I want to compare their values to see which one is higher with the next card.. how can I do something like that ? My values are pulled from an API and they return ‘K’ for

How can I create an object mapping from an array of strings?

arrays dictionary javascript

i am stumbling onto something that should be easy, yet i can’t seem to be able to do it. i have an array of string, and i want to map over it to create an object like so : what i want is to get the following object : Edit: i just found the way : just need to make

Is there a one-liner to concatenate the key and values of a dict of unknown size into a string in JS?

arrays dictionary javascript string

I am trying to parse a dictionary into a string in one line as elegantly as possible. The string could have anywhere from 1 key value pair to 10. The dictionary I have: And I am trying to parse it into a query string converting it into: I know that using Object.keys and forEach i can traverse the Dict but

setting state within nested response

dictionary javascript reactjs

I am building a react app and I am setting the state with api of nested response of nested state But the state is not setting the way I want. response that is receiving from api App.js What is the problem ? Images are not showing after Title. I am trying to show all images in BlogList class of every

How can you reduce(…) the entries of a JavaScript Map object without expanding to a list?

dictionary functional-programming javascript

It seems there’s no good standard library way of doing something like this? Uncaught TypeError: thismap.entries(…).reduce is not a function I assume this is due to the entries() function returning an iterator? I don’t want to Array.from(thismap.entries()).reduce(…), as that would unnec…

Smarter way of using filter and map instead of filter and loop

dictionary filter javascript

I want to create a smarter way of coding of the following example. Important is that each loop (for activeFilters) needs to be fully done, before we want to return the filtersTest. Answer First of all, it should be clear that createFilters is not going to return the array, but a promise that will eventually r…