Javascript : Concatenate object values in a variable

Question

I'm trying to concatenate values from "seller" Key in a new variables "sellerList" but I'm not achieving to find a good solution.

const data = { page: {}, product: { attributes: { condition: 'used', offer: { offer1: { condition: 'used', offerID: '1111', seller: 'Ben', sellerID: 'abc', }, offer2: { condition: 'used', offerID: '2222', seller: 'manu', sellerID: 'def', }, offer3: { condition: 'used', offerID: '3333', seller: 'Ben', sellerID: 'abc', }, }, }, }, };

I found this post which has a similar issue, but it's not working on my side

As we can't use map method on object, I pushed my object into an array like this:

dataArr = []; dataArr.push(data);

Then I used the following code to concatenate:

const sellersList = Object.keys(digitalData) .map((o) => o.seller) .join(';'); console.log('Offer list :' + sellersList);

But this returns an empty string: "Offer list :;"

So my goal is to have a final string like this : "ben;manu;ben"

Does anyone have an idea how to arrange the code fit with my case ? Thank you for your help and your time.

Object.values(data.product.attributes.offer).map(e=>e.seller).join(";") — Manikant Gautam
– Manikant Gautam, Commented Oct 15, 2021 at 16:34

Youssef Meskini · Accepted Answer · 2021-10-15 16:09:06Z

2

Based on the data shape that you shared, you can do it like that:

Object.values(data.product.attributes.offer) .map(offer => offer.seller) .join(';')

answered Oct 15, 2021 at 16:09

Youssef Meskini

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1 Comment

Joris ALEXANDRE Over a year ago

That definitely fixed my case ! Thank you !!

Robin Zigmond · Accepted Answer · 2021-10-15 16:05:08Z

You can do it like this. It does rely on your data having this specific shape with those precise key names - but it's not clear what else you can do as I don't know the details of where your data comes from and what else it might look like. Hope this helps give you a start, anyway!

const data = { page: {}, product: { attributes: { condition: "used", offer: { offer1: { condition: "used", offerID: "1111", seller: "Ben", sellerID: "abc", }, offer2: { condition: "used", offerID: "2222", seller: "manu", sellerID: "def", }, offer3: { condition: "used", offerID: "3333", seller: "Ben", sellerID: "abc", }, }, }, }, }; const result = Object.values(data.product.attributes.offer).map(offer => offer.seller).join(";"); console.log(result);

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