Home Tutorial Javascript Javascriptbasics JavaScript Loops Function

 
 

Share on Google+Share on Google+
JavaScript Loops Function
Posted on: November 6, 2009 at 12:00 AM
Advertisement
JavaScript Loops: In this tutorial you will come to know about different kind of loops functions supported by JavaScript e.g. for, while, do...while, for..in etc. Examples will illustrate each of these loop.

JavaScript Loops Types:

In Java programming language a loop is a language construct which allows the statements  to execute again and again. Loop can be achieved both in iterative(for, while, do-while) and recursive method(when a function or method calls itself).

JavaScript provides for, while, do-while, and foreach loop. Following examples will help you to learn loops:

JavaScript Loop Functions Example 1:

<html>
<head>
<title>Loop in Javascript </title>
<script type="text/javascript" >
for (x=1;x<=10;x++ )
{
	document.write(x+"<br/>");
}
</script>
</head>
<body>
</body>
</html>

Output:

1
2
3
4
5
6
7
8
9
10

JavaScript for Loop Example 2:

<html>
<head>
<title>My Firt JavaScript File </title>
<script type="text/javascript" >
x=1;
while(x<=10)
{
	document.write(x+"<br/>");
	x+=2;
}
</script>
</head>
<body>
</body>
</html>

Output:

1
3
5
7
9

Java While Loop Example 3:

<html>
<head>
<title>My Firt JavaScript File </title>
<script type="text/javascript" >
x=1;
do
{
	document.write(x+"<br/>");
	x++;
}while(x<=10);
</script>
</head>
<body>
</body>
</html>

Output:

1
2
3
4
5
6
7
8
9
10

Example 4:

<html>
<head>
<title>Write your title here </title>
<script type="text/javascript" >
var x;
var str=new Array();
str[0]="This";
str[1]="is";
str[2]="new";
str[3]="string";

for(x in str)
{
	document.write(str[x]+"<br/>");
}
</script>
</head>
</html>

Output:

This
is
new
string

Advertisement

Related Tags for JavaScript Loops Function:


Follow us on Twitter, or add us on Facebook or Google Plus to keep you updated with the recent trends of Java and other open source platforms.

Posted on: November 6, 2009

Recommend the tutorial

Advertisements Advertisements
 

 

 

DMCA.com