Any variable that is initialized inside a function using the var keyword will have a local scope. If a variable is initialized inside a function without var, it will have a global scope. A local variable can have the same name as a global variable.
Any variable that is initialized inside a function using the var keyword will have a local scope. If a variable is initialized inside a function without var, it will have a global scope. A local variable can have the same name as a global variable.