Why i used two variables , one didnot declar ,but didnot get global-variables?
317
What is the scope of variables in JavaScript?
19638
What is the purpose of the var keyword and when should I use it (or omit it)?
100152
Can not increment global variable from function in python
81478
Setting local variables to a function instead of using globals optimize the function
12738
Correct Use Of Global Variables In Python 3
98315
How do "Dummy Variables" work?
81279
When to use global $post and other global variables?
29612
How to find the name of a variable that was passed to a function?
14909
How do I use extern to share variables between source files?
110433
Locally declared variables can not be inspected
1499
How do I create variable variables?
71634
Can a variable be defined only in the scope of an if-statement, similar to how it's often done for for-loops?
152174
How to declare a global variable in php?
139053
Scoping problem?
134363
Why does the global variable exist here, where it was declared only in Module?
76713
How do I get a variable's value from one script and import it in another script?
93075
Why are global and static variables initialized to their default values?