I executed it three times:
First time I executed it as it is and I didn't get any alert because
variable x is not accessible outside function .
Second time I removed the operator var and executed it . I got alert
as expected(value of x).
Third time when I execute it with the operator var and I get alert
with the value of x.This is something strange .Please tell me why it
is happening.
function number()
{
var x=2;
}
number();
alert(x)
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