StackOverflow2013

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plurals

PO
primarykey
Id
9918683
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2012-03-29T03:26:15.637
FavoriteCount
0
LastActivityDate
2012-03-29T03:34:46.363
LastEditDate
2012-03-29T03:34:46.363
LastEditorUserId
567864
OwnerUserId
567864
ParentId
9918658
PostTypeId
2
Score
6
ViewCount
0
LastEditorDisplayName
text
Body
That developer was wrong. Those two myvar are different. The outside one is equivalent to window.myvar, but the inside one is only inside the f. Edit: a very simple example: <a href="http://jsfiddle.net/mRkX3/" rel="nofollow">http://jsfiddle.net/mRkX3/</a> Edit 2: A quote from the ECMAScript standard: <blockquote> If the variable statement occurs inside a FunctionDeclaration, the variables are defined with function-local scope in that function, as described in section 10.1.3. Otherwise, they are defined with global scope (that is, they are created as members of the global object, as described in section 10.1.3) using property attributes { DontDelete }. Variables are created when the execution scope is entered. A Block does not define a new execution scope. Only Program and FunctionDeclaration produce a new scope. Variables are initialised to undefined when created. A variable with an Initialiser is assigned the value of its AssignmentExpression when the VariableStatement is executed, not when the variable is created. </blockquote> Found through <a href="http://www.adequatelygood.com/2010/2/JavaScript-Scoping-and-Hoisting" rel="nofollow">http://www.adequatelygood.com/2010/2/JavaScript-Scoping-and-Hoisting</a> though that article is referencing a deadlink (live link: <a href="http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf" rel="nofollow">http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf</a>).
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1. POIs it possible to access a function local variable from outside of the function?
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1. POIs it possible to access a function local variable from outside of the function?
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