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<head>
  <meta charset="utf-8">
  <title>JS Bin</title>
</head>
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<script id="jsbin-javascript">
/*WHILE Statements
While (expression)
  statement
A simple Eg:
*/
var count = 0;
while(count < 10) {
  console.log(count);
  count++;
}
/*DOWHILE
do
  statement
while (expression)
In this the body is executed once then expression is ran
Eg:
*/
function printArray(a) {
  if(a.length==0)
    console.log("Empty Array");
  else {
    var i=0;
    do {
      console.log(a[i]);
    } while(++i < a.length);
  }
}
a = ["First Element","Second Element",5,10];
printArray(a); //prints the array contents, otherwise will just print "Empty Array"
/*FOR Statements
For(initialise ; test ; increment)
  statement
Route of passage is like this:
initialise
while(test) {
  statement;
  increment;
}
Rules
You can use var in for loops as initialising
Test statement is processed before each loop
The increment expression then performed. Usually ++ -- or an assignment of sorts
You would rewrite the 1st while program like so
*/
var sum = 0;
for(i=0 ; i<10 ; i++) {
  console.log(i);
}
//Or you could do more complex for loop
for(i=0,j=10; i<j ; i++) {
  sum += i+j;
  console.log(sum); //prints with each iteration as i increases is added to previous value 10,21,33,46,60,75,91,108,126,145
}
/*FOR IN Statements
For(variable in object)
  statement
You can display an objects value of its property using object[variable name]
For loop to display objects names and properties Eg:
*/
{
  var colour,diameter=100,size=(Math.PI * Math.pow((diameter/2), 2)).toFixed(2);
}

var ball = {
  'colour' : "Blue",
  'diameter': diameter,
  'size' : size
};
//***VERY USEFULL***

for (var property in ball) {
  console.log("name: "+property+"; value: "+ball[property]);
}
var myObject = {x:10, y:23, z:32};
var myArray = [];
var k = 0;
for(myArray[k++] in myObject) {    //Adds the objects properties to the array
}
console.log(myArray);

</script>


<script id="jsbin-source-javascript" type="text/javascript">/*WHILE Statements
While (expression)
  statement
A simple Eg:
*/
var count = 0;
while(count < 10) {
  console.log(count);
  count++;
}
/*DOWHILE
do
  statement
while (expression)
In this the body is executed once then expression is ran
Eg:
*/
function printArray(a) {
  if(a.length==0)
    console.log("Empty Array");
  else {
    var i=0;
    do {
      console.log(a[i]);
    } while(++i < a.length);
  }
}
a = ["First Element","Second Element",5,10];
printArray(a); //prints the array contents, otherwise will just print "Empty Array"
/*FOR Statements
For(initialise ; test ; increment)
  statement
Route of passage is like this:
initialise
while(test) {
  statement;
  increment;
}
Rules
You can use var in for loops as initialising
Test statement is processed before each loop
The increment expression then performed. Usually ++ -- or an assignment of sorts
You would rewrite the 1st while program like so
*/
var sum = 0;
for(i=0 ; i<10 ; i++) {
  console.log(i);
}
//Or you could do more complex for loop
for(i=0,j=10; i<j ; i++) {
  sum += i+j;
  console.log(sum); //prints with each iteration as i increases is added to previous value 10,21,33,46,60,75,91,108,126,145
}
/*FOR IN Statements
For(variable in object)
  statement
You can display an objects value of its property using object[variable name]
For loop to display objects names and properties Eg:
*/
{
  var colour,diameter=100,size=(Math.PI * Math.pow((diameter/2), 2)).toFixed(2);
}

var ball = {
  'colour' : "Blue",
  'diameter': diameter,
  'size' : size
};
//***VERY USEFULL***

for (var property in ball) {
  console.log("name: "+property+"; value: "+ball[property]);
}
var myObject = {x:10, y:23, z:32};
var myArray = [];
var k = 0;
for(myArray[k++] in myObject) {    //Adds the objects properties to the array
}
console.log(myArray);
 </script></body>
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