javascript - Error with JSON data ("Expected a JSON object, array or literal")

I'm following a JSON tutorial and I've run into a problem.

I'm using Visual Studio Code, and I have an HTML file, a JS file, and a JSON file. Even though the data in the JSON file is (to the best of my understanding) correctly formatted, VSCode gives me the following error:

Expected a JSON object, array, or literal.

Right now, the JS file is empty. The code in my HTML file is as follows:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <h1>SANDBOX</h1>
    <div class="output">

    </div>
</body>
<script src="data.json"></script>
<script src="app.js"></script>

</html>

and the data in my .JSON file is:

const json = {
    "books": [{
        "title": "Learn to Code",
        "author": "John Smith",
        "isbn": "324-23243"
    }, {
        "title": "The Adventures JSON",
        "author": "Jason Jones",
        "isbn": "3324-2-444"
    }, {
        "title": "New Objects",
        "author": "Jane Doe",
        "isbn": "2343-234-2433"
    }]
};

I don't understand why I'm getting this error.

Things I've tried:

Following the tutorial - The tutor doesn't seem to have this problem, for some reason.
Wrapping the JSON data in curly braces - This just throws three more errors: Property keys must be doublequoted, Colon expected, and End of file expected.
Searching this site for similar questions - I've found similar questions, but the solutions offered don't solve my problem. I'm always left with the original error, 'Expected a JSON object, array or literal'.

Any help you could provide would be very much appreciated.

I'm following a JSON tutorial and I've run into a problem.

Expected a JSON object, array, or literal.

Right now, the JS file is empty. The code in my HTML file is as follows:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <h1>SANDBOX</h1>
    <div class="output">

    </div>
</body>
<script src="data.json"></script>
<script src="app.js"></script>

</html>

and the data in my .JSON file is:

const json = {
    "books": [{
        "title": "Learn to Code",
        "author": "John Smith",
        "isbn": "324-23243"
    }, {
        "title": "The Adventures JSON",
        "author": "Jason Jones",
        "isbn": "3324-2-444"
    }, {
        "title": "New Objects",
        "author": "Jane Doe",
        "isbn": "2343-234-2433"
    }]
};

I don't understand why I'm getting this error.

Things I've tried:

Following the tutorial - The tutor doesn't seem to have this problem, for some reason.
Wrapping the JSON data in curly braces - This just throws three more errors: Property keys must be doublequoted, Colon expected, and End of file expected.
Searching this site for similar questions - I've found similar questions, but the solutions offered don't solve my problem. I'm always left with the original error, 'Expected a JSON object, array or literal'.

Any help you could provide would be very much appreciated.

Share Improve this question asked Oct 16, 2021 at 19:26 Nellington 2213 silver badges12 bronze badges

Your file name is .json but the content is javascript. Try renaming it to .js or removing const json = (but not both). – ray Commented Oct 16, 2021 at 19:30

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1 Answer 1

Sorted by: Reset to default 4

you can't use javascript inside .json file

change .json file to

[{
        "title": "Learn to Code",
        "author": "John Smith",
        "isbn": "324-23243"
    }, {
        "title": "The Adventures JSON",
        "author": "Jason Jones",
        "isbn": "3324-2-444"
    }, {
        "title": "New Objects",
        "author": "Jane Doe",
        "isbn": "2343-234-2433"
    }]

instead load your json file inside the app.js

const books = require("my.json")

BUT

if you wish to use it like that then you have to change the format of my.json to my.js

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javascript - Error with JSON data ("Expected a JSON object, array or literal") - Stack Overflow

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