Entry

How do I create local variables for a function?

How do I create local variables?

How does JavaScript handle global variables?

Oct 24th, 2000 22:17
Tim Powell,

To make sure that a variable is only available in a function, you need 
to use the var keyword when declaring it.

j = 20;
i = 10;

function func()
{
   i = 1;     // Changed the value of global variable (since it exists)
   var j = 1; // local variable - j is still 20 outside this function
}