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Dev-Mo
Published in : 2022-02-13

Adding an id number at the first index to an array of objects

Javascript

Now I made an array of objects in JavaScript.

I want to add and id number to each object in the array, at the first index [0]

Here is my code:

const allData= [ { name: "Belly", age: 20 }, { name: "Alfred", age: 58 }, { name: "Sam", age: 10 },]for(const key in allData) { allData[key]['id'] = key;}console.log(allData);

The problem with this code is it returns the id as the last, not the first, index of each object.

Is there a way to acheive my goal? 

Comments

Islam Zedan Date : 2022-02-13

You can merge the current object with a new object contains the id so it goes in the first index 

here is my Code :

const allData= [ { name: "Belly", age: 20 }, { name: "Alfred", age: 58 }, { name: "Sam", age: 10 },]for(const key in allData) { allData[key] = Object.assign({id: key}, allData[key]);}console.log(allData);

and there is a fiddle link for it

//jsfiddle.net/pdzeu906/1/

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