Questions tagged [javascript-objects]
Do you have any queries regarding JavaScript objects? Feel free to utilize this tag for all your questions in this area.
I recently came across a config file with a unique format, as shown below: define([], function () { return { productItems: { item1: ['Apple', 'Ball', 'Car'], item2: [&apo ...
Javascript Developing a simple game where a robot moves on a 5x5 board based on user input commands 'L' (move left), 'R' (move right), and 'F' (move forward) from a starting position while facing North (N). Clicking the Move ...
I am currently facing an issue with accessing a nested object property. Here is the scenario: const data={a:'value1',b:{c:'null'}} When trying to access the 'c' property within object 'b', I am encountering a problem. Even though I can successfully access ...
Currently, I am in the process of developing a Todo application using electron and Vue.js. In my project, there is an array of objects called items. Each object follows this format: {id: <Number>, item: <String>, complete: <Boolean>, ...
Lately, I have been experimenting with some code in an attempt to delve deeper into functional programming. However, I seem to have hit a snag. I am struggling with handling an object. My goal is to add key-value pairs to an object without reassigning it, ...
Greetings! I have a collection of Boolean observables and would like to apply a logical AND operation. Currently, I am passing static values 'a' and 'b', but I am unsure of the number of elements in the totalKeys array. import { forkJoin } from 'rxjs'; .. ...
While working on my Next.js app, I encountered an issue with the Medium story API. Every time I try to fetch and display an image using the API, I receive an error message stating "upstream image response failed." The specific error code is: upstream image ...
Just starting with JavaScript and struggling to solve this problem. I attempted using map and filter but couldn't quite implement the if condition correctly. How can I find the records in the given array that have a gender of 0 and color is red? let s ...
I am currently working on traversing through the object above in order to determine if a contact is a member of a specific list. For instance, if the user is a member of the list with an ID of 2022, I want to display their first name (which is also includ ...
What is the most efficient method to extract an array of specific strings from an array of objects, where a certain condition needs to be met? Solution Attempt: const array = [{ "Item": "A", "Quantity": 2 ...
Within the external library, there is the following structure: export interface Event extends Log { args?: Result; } export interface TypedEvent<EventArgs extends Result> extends Event { args: EventArgs; } export type InstallationPreparedEven ...
Below is my reactJS code snippet - useEffect(()=>{ const getinterviewerDetails= async ()=>{ const data1 = await axios.get("http://localhost:8083/api/GetProduct") .then(response => { console.log("role is " ...
I have integrated Apexcharts to create charts within my application. The initial data loads perfectly upon onload, but when applying a filter, I face an issue where the charts need to be refreshed or updated with the new filtered data. I attempted to use t ...
I have a challenge where I need to merge two arrays of objects in a nested way. var array1=[{ PersonalID: '11', qusetionNumber: '1', value: 'Something' }, { PersonalID: '12', qusetionNumber: '2& ...
I am struggling to find a way to custom sort a JavaScript object properly. For example, I have the following object: var test = { 'yellow': [], 'green': [], 'red': [], 'blue': [] } And an array with values like: var arr = ['red', 'green', 'blue', ...
Here is an array I am working with: const cuisines = [ { african: "African" }, { american: "American" }, { arabian: "Arabian" }, { argentine: "Argentine" }, { asian: "Asian" }, { asian_fusion: "Asian Fusion" }, { australian: "Australi ...
I have an object that looks like this: const obj = { "restaurant": 20, "hotel": 40, "travel": 60 } Is there a way to transform it into the format below? const newArray = [ { "category_name": "restaurant", "amount": 20 }, { "category_na ...
I have frequently used the replace function to eliminate classes in JavaScript. Currently, I am working on creating a JavaScript function that allows me to remove a specific class from an element by passing in the element and the class name. changeAddress ...
I am using plupload with a unique feature that allows me to select and upload files with extensions that are not defined in the settings. For instance, I can upload .rar or .txt files without explicitly defining them in the filters. $(".uploadDocs").cli ...
Despite attempting to utilize the map method as suggested in my research, it appears that it may not be suitable for the structure I am working with: const stepLabels = [ { labels1: ['First One'] }, { labels2: ['Second One', 'second One'] }, { labels ...
My NodeJS model includes the following query. Ad.adList = function(where_condition, lang_code='EN') { return this.findAll({ attributes:['id','name'], where: where_condition, include:[ ...
Struggling with Vue.js JavaScript implementation. This is the current code: <div id="app"> <h1>Items</h1> <div v-for="item in items"> <input v-model="item.val"> </div> <button @click="addItem"> Ne ...
When dealing with primitive datatypes in JavaScript, passing by reference doesn't work. One common workaround is to wrap them in an object. However, what happens if a variable starts as null and then gets reassigned as an Object before being passed to an e ...
Unlike the referenced question, this code snippet is sourced from the book "JavaScript: The Definitive Guide". It introduces an inherit method that applies Object.create if available, but falls back to traditional JavaScript inheritance when it's not. How ...
How can I keep the original CSS class when the mouse moves away? function highlight( x, y) { var sel=document.getElementById(y); sel.style.borderBottom= "2px solid "+x; sel.style.opacity="1"; sel.style.transition="all eas ...
In a scenario with two JSON objects, Car and Wheel, where Car contains a collection of Wheel along with other primitive-type properties: Car: Name Speed Wheels Wheel: Thickness Friction When considering saving this car using localStorage, there are ...
During my internship, I have been tasked with constructing a nested object using parent IDs without utilizing a children attribute array. Initially, I employed the npm package flatnest for a single-level hierarchy; however, the challenge lies in adapting t ...
Recently while delving into a book on Js, I stumbled upon the intriguing topic of Object to primitive conversion. The author made an interesting point in the book: For historical reasons, if toString or valueOf returns an object, there’s no error, but ...
Our usual approach involves creating a new Map like this: const hash = new Map() hash.set(key,value) To retrieve the information, we simply use: hash.get(specificKey) An advantage of using Map is that we have flexibility in choosing keys and values. Cur ...
I have a JSON array containing objects within an array. I'd like to know how to determine the length of keys and values inside each object. Can anyone assist me in figuring out how to get the length of an object within an array? While I can obtain the le ...
A feature of my tool enables users to input a string into a textfield and then checks if any words in the input match with a predetermined array. If the user's string contains a specific name from the array, I aim to replace it with a hyperlink. I've dev ...
I am trying to create a new array of objects without the gender field. Can you identify any mistakes in my code? let dataSets = [ { name: "Tim", gender: "male", age: 20 }, { name: "Sue", gender: "female", age: 25 }, { name: "Sam", gender: "m ...
Currently, I am working on a project in JavaScript and have created an array called folders that holds multiple objects: folders = [folder1, folder2, folder3...] Each object within the array has various properties, one of which is docs that is an array o ...
Upon retrieving myObject with JSON.stringify, I am now looking to convert all the values (excluding keys) to uppercase. In TypeScript, what would be the best way to accomplish this? myObj = { "name":"John", "age":30, "cars": [ { "name":"Ford", ...
To achieve the desired array of array of objects structure, I need to populate the data like this: let dataObj = [ [ { content: "test1"}, { content: "test2"}, { content: "test3"} ], [ ...
Recently, I've been enhancing error handling in my JavaScript objects that heavily utilize jQuery. However, I've run into an issue where throwing a new Error from within a jQuery method is not caught by the surrounding catch statement. Instead, i ...
I am currently working with JavaScript and have encountered an issue. I have an array of objects that contain various data such as id, title, price, and image. I need to retrieve this data from the array in order to display it. While I am able to successfu ...
My goal is to achieve results in the following manner: Expected workflow chart: https://i.stack.imgur.com/G2OAO.png Here is the default view: https://i.stack.imgur.com/H6xkZ.png Scenario 1: When I click on the number "1", all elements from left to rig ...
In my VUE JS web application that utilizes i18n-vue, I am facing an issue with reformatting a JS Object to work with the i18n-vue setup. The translations are retrieved from the database and are structured in a certain way as shown below. I have tried seve ...
My program in node.js receives a high volume of messages. Each time a message is received, I create a new object and pass the message content to it. Inside the constructor of the new object, various operations are performed, including some mongo tasks with ...
Looking to extract an array of keys from an object with nested properties, my current code: public static getKeys(obj: Object) { let keys: string[] = []; for (let k in obj) { if (typeof obj[k] == "Object" && obj[k] !== null) { ...
Consider the object below: { id: 1, name: 'jdoe', currentDayHours: null, totalHours: [{ task: 'cleaning', hours: 10}, { task: 'reading', hours: 2 }]} A function is needed to update the currentDayHours based on the task parameter passed to it. So, if "cle ...
I'm having an issue with dynamically generating a table using VueJS. The problem arises when creating the <th> elements. In order to set them up, I have a Vue component that is called by the addRow function. This component uses templates with v ...
For instance: I have over 100 locations in a single array, each with latitude and longitude values. I need to use these locations with the Google distance matrix API to find nearby shops for my users. The issue is that this API can only handle 25 destinat ...
I'm having trouble understanding why 'currentPos.LatLng' is undefined when trying to access it outside the function even though it's part of an object. I want to be able to retrieve the current position values to use them in another function. Can someone ...
When it comes to JavaScript object referring, things can get a bit confusing. Imagine having a tag like this: <button id='myButton'>Hello</button> Now, let's say you create a custom class in JavaScript: function myClass(){ ...
Overview : Each levelNum has three corresponding dropdowns. For example, the dropdown for levelNum2 includes (Department-Unit-1, Department-Unit-2 & Department-Unit-3), levelNum3 includes (Division-Unit-1 & Division-Unit-2), and levelNum4 includes ...
I have a collection of array objects displayed below [ { "subjectID": 1 "Chosen" : "{subjectsChosen:Python,java,Angular}" "password": "{studentpw:123456abcd}" }, { "subjectID": 2 ...
I am facing an issue with retrieving the value of the status property from an object in my code. Below is a snippet of what I have tried: console.log("Resource.query()"); console.log(Resource.query()); console.log("Resource.query().status"); console.log(R ...
When attempting to retrieve variables from an API object, I encountered the obstacle of them being nested inside another object named "0" in this particular case. Here is a screenshot from the console: enter image description here Below is the JavaScrip ...
In the process of working on a script, I encountered a situation where an $.ajax call had to invoke a function upon success, returning a JavaScript object in JSON format [object object]. However, despite being able to return a well-formatted string, access ...
I'm diving into firebase and utilizing react, and currently I've come across this snippet of code: {photos.map(url => ( <div key={url} style={card}> <img src={url} style={image} /> <div s ...
Imagine having an object named x with values x = { a: 'abc', b: 'jkl' }, Next, I am assigning this object x to a new local variable y using var y = x. Now, when the value of var y changes as y.a = 'pqr', y.b = 'xyz', the object var x is automatically upd ...
Is there a way to combine two JSON objects in Google Spreadsheet script without using jQuery? {"records":[{"id":28100988,"work_text_reviews_count":13,"average_rating":"3.10"},{"id":10280687,"work_text_reviews_count":80,"average_rating":"3.87"}]} {"record ...
Currently, I am working on a mdx blog within the NextJS framework. To achieve this, I have implemented a function called getPostDataByCategory(category) in posts.js located under lib. This function is responsible for filtering posts based on categories. ge ...
I am currently developing a list application that allows users to create new lists by entering a name and clicking a button. Once the list is created, users can add and remove items from the list. However, I have encountered an issue where the name of the ...
What is the best approach to iterate through private class fields? class Person { #isFoo = true; #isBar = false; constructor(first, last) { this.firstName = first; this.lastName = last; } enumerateSelf() { console.log(this); ...
Greetings, fellow coders! I am new to the coding world and this community, and despite my efforts in searching for a solution, I couldn't find exactly what I was looking for. So, here is my question: I have an array structured as follows: const arr = [ ...
I am facing a challenge with the array structure below: const obj = [ { "description": "PCS ", "children": [ null, { "name": "Son", ...
I have successfully implemented a delete function in JavaScript that deletes rows, but I also want to remove the data from local storage. This way, when a user reloads the page, the deleted row will not appear. The goal is to delete the data from local s ...
Here is the information provided: const cocktail = [ { "idDrink":"13070", "strDrink":"Fahrenheit 5000", "strGlass":"Shot glass", "strInstructions":&qu ...
The map displayed below, as represented in the code section, needs to be sorted in ascending order based on its values. I would like to achieve an end result where the map is sorted as depicted in the last section. If you have any suggestions or methods o ...
I am working with a collection of objects that have the following structure: https://i.stack.imgur.com/ej63v.png To display all images in my template, I am using Object.keys Within the component: this.objectKeys = Object.keys; In the template: <ul ...
My task involves grouping data from an Array of objects by Project Name and Employee Name, whereby existing projects and employees have their hours added together. projects = [ { "project": { "id": 1, "name": "M ...