I am fairly new in NodeJS, and I am trying to build an event management system where the user can see events that are happening now, upcoming events and past events. I have built a model called events which has attributes startDate and endDate which a user selects upon creation of an event. I need to list eve…
Tag: filtering
Compare and update two arrays without losing mutated data
I have an array of objects contains data of persons then I add data to this array to each element where I end up with new key called money with value of 20 as the following and the array becomes like this Now, I have a new array with new data (new person) but missing the money I have added
Filter array of infinitely nested objects
Let’s say I have an array of nested objects such as: And I would like to return a new array with id: 3 excluded for example. So it would become: The excluded id can be from any level, and it and its children should be removed. What’s the best approach to do this? I’ve tried several other sol…
Getting odd results from a for loop inside a filter function
I’m looping inside a filter. I want to get the values from my vals array plus the keys(name, description) for my filter. When I iterate through my vals array, I keep getting returned the name but not the key. Ideally I would like the return method to give me key and value. return x[this.searchValues[i]]…
Filter an Array of strings using Filtered String and Remove from Original Array
I want to remove some elements from the array containing the word Evil (filterString). Here is what I get for the original array (guests): [‘Partner’, ‘Nice Relative 2’, ‘another evil’, ‘another one’, ‘strange Evil is here’, ‘someone Nicer̵…
Inform the number of items filtered via list.js
I start by saying that I am not a developer, but I understand the minimum of JS … However I am not managing to solve something that in my view seems very simple (I think it is). Using List.js I was able to configure the filters to filter specific items in the guide-wcag.com/en/ I was able to configure t…
Filtering arrays in JS/React
So here I have search functionality. Everything works fine except when an Item has not been found in the array. I have tried something with objects.Keys but it is displaying it on the render not when the Book has not been found like it should. Should I use if statement or. Answer You’re filtering the ca…
How to use filter to search in multiple key values of objects in an array?
I have an array of wines containing objects with data for each wine: I can figure out how to search — case insensitive — for a wine object, while specifying which key of the object to search in, like this: Returns: However, if var search = ‘Winery 3’ or var search = ‘red’ t…
How to get first N number of elements from an array
I am working with Javascript(ES6) /FaceBook react and trying to get the first 3 elements of an array that varies in size. I would like do the equivalent of Linq take(n). In my Jsx file I have the following: Then to get the first 3 items I tried This didn’t work as map doesn’t have a set function. …
jQuery slider range: apply range as a filter on table rows
For my internship I have to make a filter for a table which has to show only the rows that are between the values you give it. I used jQuery UI for the range slider and I have a normal HTML table. I cant get it to work and I’ve tried many different things. Here’s my code: The slider has