All Questions
Tagged with javascript object
26,831
questions
0
votes
2
answers
59
views
How get total in an array of object [duplicate]
I have this array, and i want to get the sum amount of each Order.item
[
{"OrderReceiverId":"6698eea782e24cc9d42eab7f",
"Order":{
"CustomerId":"...
-2
votes
1
answer
50
views
In JavaScript, how do I check if there are objects with the same value in an array? (a little different) [closed]
How do I check if there are objects with the same value "name" in an array?
Input:
[
{
"name": "blabla",
"value": "537,52"
},
...
- 1
0
votes
1
answer
35
views
How do get search filter data in es6
// Filter rows based on string values and exclude from whiteList
const whiteList = rows.map(sel => sel.RuleAutoID); // Array of IDs to exclude
console.log('whiteList', whiteList);
// Assuming you'...
-2
votes
2
answers
42
views
I want to return a key using Lodash when it contains a particular value
I have an object like this:
const obj = {
'MONEY-OUT': {
USD: ['a', 'b', 'c'],
EUR: ['d', 'e', 'f'],
},
'MONEY-IN': {
USD: ['g', 'h', 'i'],
EUR: ['j', 'k', 'l'],
},
};
and I ...
3
votes
2
answers
62
views
Traverse over tree type structured data uing JavaScript
I have a data set having parent and nested children in it. The purpose of this data is to traverse over parent to -> child1 to-> Child1Child .....
-> child2 to -> child1 to -> child2 ...
- 329
0
votes
0
answers
51
views
How do I store a parametrized string in database?
My question is in the context of JavaScript.
Consider the object
{'name':`${name}`,'age':10}
My goal is to store this object in a database and then retrieve it in another session. The other session ...
-3
votes
0
answers
29
views
Pros and Cons of using an object and IIFE [duplicate]
I would simply love to learn and comprehend the advantage and disadvantages of the use of Object and IIFE. See the codes below:
const calculator = {
add : (a, b) => a + b,
sub : (a, b) =&...
- 5
0
votes
1
answer
14
views
i want to create a modal, when i click on button having id a modal should be opened having card
i have created a courses page and create a fullscreen which should be opened when button is clicked modal is also opened but i am having an error in JS.
let value = colc[details.target.id]
if(details....
-1
votes
1
answer
52
views
Javascript : Find node value through recursive iteration
I have the following structure :
var content = {
"id": "RkktMTA1OC0wNTE3QElNQi82NTAwNC9YLzAwSDc",
"name": "FI-1058-0517",
"category": &...
- 103
-2
votes
2
answers
56
views
How can I get last three values from array of objects [closed]
I have an array of object with a few values. I would like to get only last, three values (ownerSurname, color and bark).
I tried to use slice or length but with failure.
const myValues: MyValues<...
- 9
1
vote
2
answers
61
views
React updating a value in a mapped object from child component [duplicate]
using React I've been able to update a value of an object stored in the parent component from a onChange() made in a child component.
However I'm trying to do the same with a component that is created ...
- 493
-3
votes
0
answers
44
views
my function that returns an object of methods keeps returning undefined (react-native) [duplicate]
while trying to make a document editor like word (it's a very basic editor) I tried to use classes but what I wanted didn't work and so I created a big function that returns 2 variables and a method ...
- 47
0
votes
0
answers
83
views
Do we need to clear class to prevent memory leak?
In the following script, this class is used to store a lot of Geojsons object (for google maps api):
class MapService {
private layers: Map<string, google.maps.Data> = new Map()
...
- 508
-1
votes
2
answers
46
views
keep getting TypeError: array.push is not a function when trying to push an object into an existing array with objects
I'm learning about localStorage and I'm trying to build a basic shopping cart function. The process is:
user clicks on "Add To Cart" button.
If localStorage("shoppingCart") doesn'...
- 71
-3
votes
1
answer
65
views
Javascript Object Array, Iterate over only one object
I have a javascript array object. I want to find the result of a single array. The following code does what I want but always iterates over the whole array. How can I achieve the same on just one ...
- 101