How to use variable from one .js file in another .js [duplicate]

Question

I am trying to create a website with html and jquery. I have data.js (with const travelInfoURL = '<url>';) file with the url I need. I want to use it in main.js file, but I am getting the following error:

main.js:130 Uncaught ReferenceError: travelInfoURL is not defined

How to solve this issue? I tried to export the travelInfoURL in data.js (export{travelInfoURL};), but it didn't help. The files are located in the same directory.

Does this answer your question? How to pass variable from one Javascript to another Javascript file — YT_Xaos
– YT_Xaos, Commented Dec 3, 2021 at 20:51
I do not want to acces the url in the html page, but only between two js files. — Enchantres
– Enchantres, Commented Dec 3, 2021 at 21:02

Mehdi Karimi · Accepted Answer · 2021-12-04 01:21:49Z

-1

It's hard to answer this question without knowing the JS runtime that is being used, but your question indicates you are at least using ES6 import/export syntax.

Your question does not indicate that you are importing what you are exporting. If you want to export travelInfoURL not as the default export of the file, you can do so by writing:

export const travelInfoURL  = '<url>';

In the other file you can import this as:

import { travelInfoURL } from './main';

edited Dec 4, 2021 at 1:21

Mehdi Karimi

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answered Dec 3, 2021 at 20:49

C G

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2 Comments

Enchantres Over a year ago

When I use the above import statement, I am gettin this error: Uncaught SyntaxError: Cannot use import statement outside a module

C G Over a year ago

Without knowing more about the environment you are working with, I can't answer why this may be the case.

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