Here is the scenario I am looking at: I want to reduce these objects and I found a solution that adds their values: which results to: And now my problem is I don’t know yet how to work this around to have my expected output which if isRefund is true, it must be subtracted instead of being added, retain the
Tag: arrays
Define custom parameters inside javascript compare functions in JavaScript?
I have an array of objects that needs sorting by last name, however the object only has firstname and fullname parameters, so for last name I have to use fullname.replace((firstname + ” “), “”). Example array below. While I can use the “replace” every time inside a sort compare function, I’d much rather have something like this: Obviously lastname comes
How to replace matching words within a page replacing the body.innerHTML only once?
The following function in JavaScript adds to each matching word a <mark> tag in the document’s body. This way, it highlights a word within the <body> if it’s an element within the array words. The issue I have is that the document.body.innerHTML is replaced at every iteration. Do you know how I can replace the matching words in the page
Best way to Search ALL Terms in Array of Objects
I’m trying to filter out objects based on whether ALL the given search terms exist in SOME of the property values of EACH object in the array. But I also don’t want to search within the deviceId property. But is there a way to do it with less code? So I do the following: Convert the objects into iterable arrays
How can I calculate the total price of products in a cart using JavaScript?
I’m stuck on how to calculate the total amount and total price of my cart in this project. The task is to create a simple (beginners) e-commerce website where a customer should be able to click on a product and add it to their cart (with the name, amount and price displayed of the product, the amount and price should
How to avoid getting duplicated elements on localstorage array
i have the following code that generates a new element on an array in my localstorage each time i click on a button My problem is that I’ve tried to create a validation to check if the element has already been added to the local storage, so in that case there should appear the alert, but it’s not working at
regex replace for multiple string array javascript
I have a array of string and the patterns like #number-number anywhere inside a string. Requirements: If the # and single digit number before by hyphen then replace # and add 0. For example, #162-7878 => 162-7878, #12-4598866 => 12-4598866 If the # and two or more digit number before by hyphen then replace remove #. For example, #1-7878 =>
Recursively filter an array of infinitely nested objects by mutliple matching conditions but only return parent that has an instance of both matches
I have the following array of objects; however this could be any unknown key/value and be infinitely nested, for now this is a testing sample: My current implementation is as follows: Basically I am adding to the “selected” array then using that to filter the data array by. I do want to ensure the key matches the “column” also however
How can I return all data from different scope and receive them?
I tried to scrape a website using Node.JS + Cheerio + Axios, I’ve get all the things I need, but the problem is I don’t know how to return the data from different scopes to receive it (I can only receive the url, not the data inside another scope). The only data I can receive is the url, but all
How to iterate json consists of array elements
I am getting this object : I want this kind of table after iteration. I’ve converted it to array : console log after converting it to array I want to fill this data in table format I am working on React js, I want to do this in javascript. Any help would be appreciated. Answer Try this one.