How can you create a private variable inside a JavaScript function?

Use the 'private' keyword before declaring a variable.
Declare the variable inside a function using 'var'.
Use a function closure to encapsulate the variable within the function's scope.
Use 'let' or 'const' to declare the variable inside a function.

To create a private variable in JavaScript, you can use a function closure. By defining a variable inside a function and not exposing it outside the function's scope, you can achieve encapsulation and create a private variable that is inaccessible from outside the function.

Add your answer