How to push array using if else condition

Question

I've array

var getData = [
  {
    "value": "20,
    "id": 2
  },
  {
    "value": "30",
    "id": 4
  },
  {
    "value": "40",
    "id": 6
  },
]

And I've data for example I want to check if product_id =2 I want to push ['product_id': 'thisistest'] into getData id = 2 the output will look like this

var getData = [
  {
    "value": "20,
    "id": 2,
    "product_id": "thisistest"
  },
  {
    "value": "30",
    "id": 4
  },
  {
    "value": "40",
    "id": 6
  },
]

Here is what I've try

for(let i in getData){
  const data = getData[i];
  //product_id ==2 
  if(data.id == product_id) {
    getData.push({
      //how can I push data into getData where id = 2
    });
  }
}

You have broken object literal not closing quote in first id "value": "20, it should be "value": "20",, your code will never run, you should have error in console. — jcubic
– jcubic, Commented Apr 24, 2019 at 10:39
data['product_id'] = 'thisistest'; (inside your if condition) is just enough instead of that getData.push, since those items are objects, not arrays. Of course, as long as product_id is 2. — briosheje
– briosheje, Commented Apr 24, 2019 at 10:40

ttulka · Accepted Answer · 2019-04-24 10:40:57Z

3

You can use map as well:

var getData = [
    {
        "value": "20",
        "id": 2
    },
    {
        "value": "30",
        "id": 4
    },
    {
        "value": "40",
        "id": 6
    },
]

var product_id = 4
var res = getData.map(x => x.id === product_id 
    ? ({...x, product_id: "thisistest"}) : x)

console.log(res)

answered Apr 24, 2019 at 10:40

ttulka

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2 Comments

TryHard Over a year ago

Hi ,It's working Thank you. I know some people asking this kind of question but I'm new but still don't know about keyword to search it. I'm very appreciate to your answer. I'll mark green

ttulka Over a year ago

@TryHard No need for apologizing, that's why SO is here :-) You can accept the answer then.

Mamun · Accepted Answer · 2019-04-24 10:41:20Z

1

You can try map()

Please Note: You are missing closing " in "value": "20 which makes the object invalid.

var getData = [
    {
        "value": "20",
        "id": 2
    },
    {
        "value": "30",
        "id": 4
    },
    {
        "value": "40",
        "id": 6
    }
]

getData = getData.map(item => {
  if(item.id == 2)
    item["product_id"] = "thisistest";
  return item;
});

console.log(getData);

answered Apr 24, 2019 at 10:41

Mamun

69k9 gold badges51 silver badges62 bronze badges

1 Comment

TryHard Over a year ago

thanks, your answer is working too but I feel very sorry I've to mark the first answer .I'm very appreciated

Ghoul Ahmed · Accepted Answer · 2019-04-24 10:54:09Z

0

try with this:

const change = (srchID, newKey, newValue) =>
getData.map(res => {
    if (res['id'] === srchID) {
        res[newKey] = newValue
    }
    return res
})

answered Apr 24, 2019 at 10:54

Ghoul Ahmed

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