max-mapper / max-mapper/callback-hell

Illegal return statement

Open
#36 2 comments 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

Dominant language
JavaScript
Stars
858
Forks
101
PR merge metrics
No merged PRs in 30d

Description

I think you should not write code as below:

if (err) return statusMessage.value = err

There will throw some error like: Uncaught SyntaxError: Illegal return statement

File Path:
callback-hell/index.html

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Open callback-hell/index.html and locate the if (err) return statusMessage.value = err example. Check how the surrounding code is executed and confirm the browser's syntax error, then verify that the example uses valid JavaScript and still handles the error case as intended.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript
Domain
web-dev
Issue type
Bug
Difficulty
1/5
Estimated time
Under an hour
Activity status
Stale
Clarity
Clearly specified
Newbie friendliness
45/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.