Bug 213244

Summary: Variables declared with "let" keyword are not recognized by separate .js files
Product: WebKit Reporter: Farley Reynolds <farleykreynolds>
Component: JavaScriptCoreAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: fpizlo, saam, webkit-bug-importer, ysuzuki
Priority: P2 Keywords: InRadar
Version: Safari 13   
Hardware: Unspecified   
OS: Unspecified   

Farley Reynolds
Reported 2020-06-16 05:11:23 PDT
If a variable is declared at the global level with the "let" keyword, functions in other files cannot access it. If the declaration is changed to use the "var" keyword, the other files are able to access it. This issue seems to arise when a JavaScript module calls the function that requires the global variable. I was able to confirm that no other browsers display the issue with the "let" keyword.
Attachments
Radar WebKit Bug Importer
Comment 1 2020-06-17 18:05:34 PDT
Saam Barati
Comment 2 2020-06-17 22:32:38 PDT
(In reply to Farley Reynolds from comment #0) > If a variable is declared at the global level with the "let" keyword, > functions in other files cannot access it. > > If the declaration is changed to use the "var" keyword, the other files are > able to access it. > > This issue seems to arise when a JavaScript module calls the function that > requires the global variable. > > I was able to confirm that no other browsers display the issue with the > "let" keyword. Can you post an example?
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