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https://issues.apache.org/jira/browse/COUCHDB-1397?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13199766#comment-13199766
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Paul Joseph Davis commented on COUCHDB-1397:
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Erm, I'd like to point out that the string "function(doc) {}" actually *is*
invalid JavaScript. Anonymous functions at global scope are specifically not
ok. Although anonymous functions in a statement context *are* ok. Its a subtle
distinction but its quite important.
Also, just today I came across a scenario of compiling a regular expression
outside the function scope as a valid use of the "helper" pattern.
> Function expressions, evals in SpiderMonkey
> -------------------------------------------
>
> Key: COUCHDB-1397
> URL: https://issues.apache.org/jira/browse/COUCHDB-1397
> Project: CouchDB
> Issue Type: Bug
> Components: JavaScript View Server
> Affects Versions: 1.2.1
> Environment: All
> Reporter: Jason Smith
>
> New SpiderMonkey releases do not eval() a sole anonymous function expression.
> That is not a valid JavaScript statement, and so it is not a valid JavaScript
> script.
> COUCHDB-1302 addressed this for 1.1 and the 1.1.x branch. This ticket is for
> 1.2. (Sorry to spam COUCHDB-1302. I saw "Unassigned" and read "Unresolved.")
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