Wrong code in error handling chapter "Error handling, try catch"
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Assessment
- Difficulty
- 1/5
- Estimated time
- Under an hour
- Newbie friendliness
- 50/100
- Issue type
- Documentation
- Clarity
- Clearly specified
- Activity status
- Stale
- Tech stack
- javascript
- Domain
- documentation
Research direction
Open the Error Handling chapter at the second code snippet under “Rethrowing” and run the shown example in a browser and in Node.js. Compare the observed output with the issue’s screenshots, then correct the snippet or its explanation so the documented behavior matches both environments.
Written by the indexing model from the issue text.
Description
There is a wrong code in the Error Handling chapter. Refer to the image and code below:
try {
user = { /*...*/ };
} catch (err) {
if (err instanceof ReferenceError) {
alert('ReferenceError'); // "ReferenceError" for accessing an undefined variable
}
}
This should output as follows in a browser environment.
and, nothing should be there in the terminal in Node js env. as nothing is being returned or logged.
But, as per the website when you ran the code, it shows this:
For reference it's the second code snippet under: https://javascript.info/try-catch#rethrowing
It might be using "use strict" internally, but its quite misleading.
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