<script type="text/javascript">
<!--
var x = 1;
document.write("Entering the loop<br /> ");
while (x < 20)
{
 if (x == 5){ 
   break; // breaks out of loop completely
 }
 x = x + 1;
 document.write( x + "<br />");
}
document.write("Exiting the loop!<br /> ");
//-->
</script>

Entering the loop
2
3
4
5
Exiting the loop!

<script type="text/javascript">
<!--
var x = 1;
document.write("Entering the loop<br /> ");
while (x < 10)
{
 x = x + 1;
 if (x == 5){ 
   continue; // skill rest of the loop body
 }
 document.write( x + "<br />");
}
document.write("Exiting the loop!<br /> ");
//-->
</script>

Entering the loop
2
3
4
6
7
8
9
10
Exiting the loop!

<script type="text/javascript">
<!--
document.write("Entering the loop!<br /> ");
outerloop:  // This is the label name
for (var i = 0; i < 5; i++)
{
 document.write("Outerloop: " + i + "<br />");
 innerloop:
 for (var j = 0; j < 5; j++)
 {
   if (j > 3 ) break ;     // Quit the innermost loop
   if (i == 2) break innerloop; // Do the same thing
   if (i == 4) break outerloop; // Quit the outer loop
   document.write("Innerloop: " + j + " <br />");
  }
}
document.write("Exiting the loop!<br /> ");
//-->
</script>

Entering the loop!
Outerloop: 0
Innerloop: 0 
Innerloop: 1 
Innerloop: 2 
Innerloop: 3 
Outerloop: 1
Innerloop: 0 
Innerloop: 1 
Innerloop: 2 
Innerloop: 3 
Outerloop: 2
Outerloop: 3
Innerloop: 0 
Innerloop: 1 
Innerloop: 2 
Innerloop: 3 
Outerloop: 4
Exiting the loop!

<script type="text/javascript">
<!--
document.write("Entering the loop!<br /> ");
outerloop:  // This is the label name
for (var i = 0; i < 3; i++)
{
  document.write("Outerloop: " + i + "<br />");
  for (var j = 0; j < 5; j++)
  {
   if (j == 3){
     continue outerloop;
   }
   document.write("Innerloop: " + j + "<br />");
  } 
}
document.write("Exiting the loop!<br /> ");
//-->
</script>

Entering the loop!
Outerloop: 0
Innerloop: 0
Innerloop: 1
Innerloop: 2
Outerloop: 1
Innerloop: 0
Innerloop: 1
Innerloop: 2
Outerloop: 2
Innerloop: 0
Innerloop: 1
Innerloop: 2
Exiting the loop!