What are global variables in JavaScript?

Can you explain what global variables are in JavaScript?

Global variables in JavaScript are variables that are accessible from any part of your code, regardless of where they are declared.

How do I create a global variable?

You can create a global variable by declaring it outside of any function, or by using the window object in a browser environment.

What are the risks of using global variables?

Using global variables can lead to naming conflicts and make your code harder to maintain, as they can be modified from anywhere.

Can you give me an example of a global variable?

Sure! For example, if you declare var myGlobalVar = 10; outside of any function, myGlobalVar is a global variable.