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How can I handle a 404 error gracefully when using fetch to call an API and parse JSON in JavaScript?

Asked on Nov 05, 2025

Answer

To handle a 404 error gracefully when using "fetch" to call an API and parse JSON, you can check the response status and handle errors accordingly.
<!-- BEGIN COPY / PASTE -->
        fetch('https://api.example.com/data')
            .then(response => {
                if (!response.ok) {
                    throw new Error(`HTTP error! Status: ${response.status}`);
                }
                return response.json();
            })
            .then(data => {
                console.log('Data received:', data);
            })
            .catch(error => {
                console.error('There was a problem with the fetch operation:', error);
            });
        <!-- END COPY / PASTE -->
Additional Comment:
  • The "fetch" function is used to make an API call.
  • The "response.ok" property checks if the response status is in the range 200-299.
  • If the response is not ok, an error is thrown with the status code.
  • The "response.json()" method parses the response as JSON if the response is successful.
  • The "catch" block handles any errors that occur during the fetch operation.
✅ Answered with JavaScript best practices.
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