1. Do functions in JavaScript necessarily return a value?

2. Will the following JavaScript code work?

var tensquared = (function(x) {return x*x;}(10));

3. What will be the output of the following JavaScript code?

var string2Num=parseInt("123xyz");

4. The one-liner code that concatenates all strings passed into a function is

5. Which of the following function of Number object returns the number's value?

6.  What will be the last statement return in the following JavaScript code?

function constfuncs()

{

var funcs = [];

for(var i = 0; i < 10; i++)

funcs[i] = function() { return i; };

return funcs;

}

var funcs = constfuncs();

funcs[5]()

7. What will be the output of the following JavaScript code?
var add=new Function("num1","num2","return num1+num2");
document.writeln(add(2,5));

8. What will be the state stored in d in the following JavaScript code?

var c = counter(), d = counter();

c.count()

d.count()

c.reset()

c.count()

d.count()

9. If you have a function f and an object o, you can define a method named m of o with

10. What will be the equivalent statement of the following JavaScript statement?

var o = new Object();