Variable thats defined in if is later not defined
317
What is the scope of variables in JavaScript?
41710
How can I refer to a variable using a string containing its name?
49446
How to check for an undefined or null variable in JavaScript?
124612
Use counter before its value is set
80361
Any program or trick to find the definition of a variable?
75407
How to use a variable in a different function?
113603
Declare local variables as late as possible or at the nearest curly brace they belong?
23015
How to name variables on the fly?
105531
Determining if a variable is within range?
30987
How to tell if a JavaScript function is defined
14704
How to detect if a variable is an array
123682
Can I use an "if" clause without "then"?
94841
How can I compare a dynamic variable with a literal in Mathematica?
21693
Java: how do I check if a Date is within a certain range?
57
Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
37717
Variables in batch file not being set when inside IF?
34327
Two "if"s in a row