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How to import a variable from a js file

I want to import a array from a js file and it doesn't work. My code :

import * as dollarsValue from './index.js';
function intiualAdaptedVal(arr1, arr2, arrCid) { // arr1 => changeArr ; arr2 => dollarsValue
    let num;
    for (let i = 0; i < arr2.length; i++) {
        num = getNumber(arr2, arr2[i][1]) / arrCid[i][1];
        arr1[i].push(num.toFixed(2));
    }
    return arr1;
}
console.log(intiualAdaptedVal(changeArr, dollarsValue, cid))

But it doesn't work:

Thanks you

about 4 years ago · Juan Pablo Isaza

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Answer 1 · 2022-06-25T21:45:45.239Z

Since you are using the ES module, you have to add

"type": "module",

in package.json

Answer 2 · 2022-06-25T21:45:45.249Z

On 'index.js':

module.exports = { dollarsValue }

and for recalling in another file:

const arrayIndex = require('./index.js')
let array = arrayIndex.dollarsValue

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How to import a variable from a js file

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Andres GPT