for loop
global
for-in loop
global
SyntaxError: for-in loop head declarations cannot have an initializer
SyntaxError: for-in loop head declarations cannot have an initializer
SyntaxError: for-in loop head declarations cannot have an initializer
SyntaxError: for-in loop head declarations cannot have an initializer
ReferenceError: Use before declaration
a
b
a
b
SyntaxError: Const must be initialized