[Webkit-unassigned] [Bug 227281] New: function within a block statement has broken scope for const/let
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Wed Jun 23 01:09:47 PDT 2021
https://bugs.webkit.org/show_bug.cgi?id=227281
Bug ID: 227281
Summary: function within a block statement has broken scope for
const/let
Product: WebKit
Version: Safari 14
Hardware: Mac (Intel)
OS: macOS 11
Status: NEW
Severity: Normal
Priority: P2
Component: JavaScriptCore
Assignee: webkit-unassigned at lists.webkit.org
Reporter: samuel.elg at sourcedefense.com
When a function within a block scope tries to access a variable declared with `const`/`let` on the wrapping scope a RefferenceError is thrown.
Reproducible example:
```
{
const a = true; // also happens with "let" declarations.
function main() {
console.log(a);
}
main();
}
```
Accessing `a` on the 4th line throws an error: "ReferenceError: Can't find variable: a".
The expected behavior would be for the "a" variable to be in the scope of the function "main".
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