Variable undefined outside of the loop
25151
A variable modified inside a while loop is not remembered
40229
How do I check if a variable exists?
105287
(Why) is using an uninitialized variable undefined behavior?
66736
Can someone tell me how to replace the following javascript code with a loop?
71645
Why is declaration of the variable required inside a for-each loop in java
59302
Lightning: aura:iteration - how to refer indexVar variable inside loop to access elements in List?
129071
How can I break an outer loop with PHP?
99196
How can I access local scope dynamically in javascript?
97545
Using =+ won't work in for loop
92587
Surprised that global variable has undefined value in JavaScript
39195
Variable scope - database.query() has access to variables not in scope
144774
creating final variables inside a loop
9266
Why does Chrome debugger think closed local variable is undefined?
89331
Variable does not exist in the current context?
71634
Can a variable be defined only in the scope of an if-statement, similar to how it's often done for for-loops?
138754
Variable scoping in Module
121668
How to avoid global variables in JavaScript?