What will happen if a return statement does not have an associated expression?

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What will happen if a return statement does not have an associated expression?



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2) Consider the following code snippet :

function constfuncs()
{
var funcs = [];
for(var i = 0; i < 10; i++)
funcs[i] = function()
{
return i;
};
return funcs; }
var funcs = constfuncs();
funcs[5]()

What does the last statement return ?

3) Consider the following code snippet :

 var c = counter(), d = counter();
c.count()
d.count()
c.reset()
c.count()
d.count()

The state stored in d is :

4) Consider the following code snippet :

 var grand_Total=eval("10*10+5");

The output for the above statement would be :

5) When does the function name become optional in JavaScript?

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