Why is x undefined in inner scope?
317
What is the scope of variables in JavaScript?
68074
JavaScript 'in' operator for `undefined` elements in Arrays
146770
Why is $\frac{1}{\frac{1}{0}}$ undefined?
102664
error: passing xxx as 'this' argument of xxx discards qualifiers
138830
What does `invalid initialization of non-const reference` mean?
18605
Local variables in nested functions
30424
What does it mean to have an undefined reference to a static member?
45766
What is scope/named_scope in rails?
110165
What is "x && foo()"?
109877
How to reuse a type variable in an inner type declaration
9266
Why does Chrome debugger think closed local variable is undefined?
88299
What is the purpose of passing-in undefined?
16454
Enforcing correct variable bindings and avoiding renamings for conflicting variables in nested scoping constructs
130597
Understanding Global & Local Scope in Javascript
54646
How undefined is undefined behavior?
71634
Can a variable be defined only in the scope of an if-statement, similar to how it's often done for for-loops?
66916
Expressions containing globally undefined symbols inside a function where they are defined