codecombat / codecombat/codecombat

Javascript: Nested function calls fail

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Dominant language
JavaScript
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Description

Ale least in Javascript it is not possible to nest function calls.
e.g.

outer(1);

function inner(data) {
    return data + 1;
}

function outer(data) {
    return inner(data);
}

fails with message

Cannot read property 'value' of undefined

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Research direction

Reproduce the JavaScript example with nested outer and inner calls and inspect the source of the “Cannot read property 'value' of undefined” error. Identify the execution path responsible for the failure; done means the example runs successfully and returns the expected nested-call result.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript
Domain
devtools
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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