Melipone

var test = function () {
    function first () {
	print ("first");
    }
    function second () {
	print ("second");
    }
};
// add a function to Object.prototype
Object.prototype.getOwnMethods = function(){

Melipone

//Ex. 4.2

function range (num) {
    var arr = [];
    if (isNaN(Number(num)))
	alert ("Invalid number");
    else
	for (var i=0;i<num;i++)
	    arr[i]=i;
    return arr;

Melipone

// Exercise 3.1

function absolute (num) {
  if (num >= 0)
    return num;
  return (- num);
}

// I realize that testing the other branch first is more efficient

Melipone

// Exercise 2-1
// in console
// Exercise 2-2
var init = 1;
var k = 1;
while (k++ <= 10)
    init = init * 2;
print (init);
// Exercise 2-3
var str = "";