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How can I convert a JavaScript object into a JSON string and vice versa?

Asked on Sep 29, 2025

Answer

To convert a JavaScript object into a JSON string, use the "JSON.stringify()" method. To convert a JSON string back into a JavaScript object, use the "JSON.parse()" method.

// Convert JavaScript object to JSON string
        const obj = { name: "Alice", age: 30 };
        const jsonString = JSON.stringify(obj);

        // Convert JSON string back to JavaScript object
        const parsedObj = JSON.parse(jsonString);

Additional Comment:

"JSON.stringify(obj)" converts a JavaScript object into a JSON string.
"JSON.parse(jsonString)" converts a JSON string back into a JavaScript object.
Ensure the JSON string is well-formed; otherwise, "JSON.parse()" will throw an error.
Use these methods for data serialization and deserialization, especially when working with web APIs.

✅ Answered with JavaScript best practices.

Ask any question about JavaScript here... and get an instant response.

How can I convert a JavaScript object into a JSON string and vice versa?

Asked on Sep 29, 2025

Answer

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