For Loop<html>
<body>
<script type="text/javascript">
var i=0;
for (i=0;i<=5;i++) {
document.write("The number is " + i);
document.write("<br />");
}
</script>
</body>
</html>
While Loop<html>
<body>
<script type="text/javascript">
var i=0;
while (i<=5) {
document.write("The number is " + i);
document.write("<br />");
i++;
}
</script>
</body>
</html>
Do-While Loop<html>
<body>
<script type="text/javascript">
var i=0;
do {
document.write("The number is " + i);
document.write("<br />");
i++;
}
while (i<=5);
</script>
</body>
</html>
For-Each Loop<html>
<body>
<script type="text/javascript">
var person={fname:"John",lname:"Doe",age:25};
for (x in person) {
document.write(person[x] + " ");
}
</script>
</body>
</html>
Note: The break and continue statements will work in JavaScript loops just like C/C++,Java, etc.. | 