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I have parent-child JSON data and I want to get all children (nested children) from a selected parent in the specific year-wise data format as below
var data = [{ "Id": "1", "Name": "abc", "EnteredOn": "03/01/2019", "attr": "abc" },
{ "Id": "2", "Name": "abcd", "EnteredOn": "02/01/2018", "attr": "abc" },
{ "Id": "3", "Name": "abcde", "EnteredOn": "04/01/2019", "attr": "abc" },
{ "Id": "4", "Name": "abcdef", "EnteredOn": "01/01/2016", "attr": "abc" }];
output:
{
"year": "2019",
"children": [
{
"ID": "1",
"Name": "abc",
"Date": "03/01/2019"
}
]
}
First, i recommend adding year attribute
data.forEach(a=> a['year'] = a.EnteredOn.getFullYear()
and using Lodash _.groupBy function
data.groupBy("year")
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I have array object like this.
[
{
"name": "name1",
"type": "type1",
"car": "car1",
"speed": 1
},
{
"name": "name1",
"type": "type1",
"car": "car2",
"speed": 2
},
]
And i want to convert it single object for prevent data replay.
How can i do this?
{
"name": "name1"
"type": "type1",
"car": [
"car1",
"car2",
],
"speed": [
1,
2,
],
}
Could someone help me? Thanks.
If name and type can have same value and car and speed various,then below is a reference for you
Note: in order to get an expected answer(solution),you need to make you question more clear,the most important thing is the value of which properties various
const data = [
{
"name": "name1",
"type": "type1",
"car": "car1",
"speed": 1
},
{
"name": "name1",
"type": "type1",
"car": "car2",
"speed": 2
},
]
const result = data.reduce((a,v) =>{
let obj = a.find(i => i.name == v.name)
if(obj){
obj.car.push(v.car)
obj.speed.push(v.speed)
}else{
a.push({'name':v.name,'type':v.type,'car':[v.car],'speed':[v.speed]})
}
return a
},[])
console.log(result)
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Like this: https://ghostbin.co/paste/ohsuar
I only need the current temperature value. How do I get it?
Let's say that "weatherObject" is the variable with the object. I have already tried "weatherObject.current.temperature" and it outputs "undefined".
[
{
"location": {
"name": "New York, NY",
"lat": "40.713",
"long": "-74.007",
"timezone": "-4",
"alert": "",
"degreetype": "C",
"imagerelativeurl": "http://blob.weather.microsoft.com/static/weather4/en-us/"
},
"current": {
"temperature": "14",
"skycode": "27",
"skytext": "Cloudy",
"date": "2021-05-02",
"observationtime": "03:00:00",
"observationpoint": "New York, NY",
"feelslike": "15",
"humidity": "40",
"winddisplay": "16 km/h Southwest",
"day": "Sunday",
"shortday": "Sun",
"windspeed": "16 km/h",
"imageUrl": "http://blob.weather.microsoft.com/static/weather4/en-us/law/27.gif"
},
...
}
]
There are many Objects in your weatherObject-array. So you have to call it with the index of the array-element you want to get. Furthermore the keys of the nested objects are strings so you can't call it with the dot-notation. You have to use square brackets.
For the first element of the array it would be:
weatherObject[0]["current"]["temperature"]
Working example:
var weatherObject = [
{
"current": {
"temperature": "14"
}
}
];
console.log(weatherObject[0]["current"]["temperature"]);
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i need to convert JSON object to a specific list. My JSON looks like this:
{
"data": {
"data_first": {
"2014-03-14T10:07:31": [
{
"name": "name"
},
{
"name": "name"
}
],
"2014-03-14T10:08:30": [
{
"name": "name"
},
{
"name": "name"
}
]
}
}
}
and what i need is:
{
"data": [
{
"date": "2014-03-14T10:07:31",
"values": [
{
"name": "name"
},
{
"name": "name"
}
]
},
{
"date": "2015-03-14T10:09:31",
"values": [
{
"name": "name"
},
{
"name": "name"
}
]
}
]
}
I need an array of objects, where the data should be an object value as my example below. Can you help?
You can use this in javascript.
const data = your json object.data;
const result = {data: Object.keys(data.data_first).map(key => ({date: key, values: data.data_first[key]}))};
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I am trying to convert array of objects into a final output of objects. I have an array of objects as mentioned below:
[ { "id": "11", "value" : "9999","sample":"1"},
{ "id": "22", "value" : "8888","sample":"2"},
{ "id": "33", "value" : "7777","sample":"3"}
];
I need output as below:
{
{ "id": "11", "value" : "9999","sample":"1"},
{ "id": "22", "value" : "8888","sample":"2"},
{ "id": "33", "value" : "7777","sample":"3"}
}
can anyone help on this ?
Your Object is not valid in javascript. You can do the following:
const arr = [ { "id": "11", "value" : "9999","sample":"1"},
{ "id": "22", "value" : "8888","sample":"2"},
{ "id": "33", "value" : "7777","sample":"3"}
]
const obj = {}
arr.forEach(({id, value, sample}) => {
obj[id] = {value, sample}
})
console.log(obj)
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var v = [
{
"message": {
"code": "S200",
"message": "Success"
},
"data": {
"car": [
{
"id": 1,
"val": "Toyota"
},
{
"id": 2,
"val": "Honda"
},
{
"id": 3,
"val": "Nissan"
}
],
"truck": [
{
"id": 1,
"val": "Benz"
},
{
"id": 1,
"val": "Volvo"
}
]
}
}
]
I have a dynamic json shown like above.
how could get v[0].data.car node dynamically(without using v[0], v[1] etc) in undescorejs or angularjs. Is Hashmap is possible?.
You need to iterate through the array in angularjs, like this
v.forEach(function(element){
console.log(element.data.car[0]);//Over here you can again iterate the car array, I have used the first element instead
});