Home Javascript Javascriptexamples JavaScript indexOf substring
Questions:Ask|Latest


 
 

Share on Google+Share on Google+

JavaScript indexOf substring

Advertisement
This page discusses - JavaScript indexOf substring

JavaScript indexOf substring

        

In this section, we are going to find the location of substring using the JavaScript method indexOf(). When this method is called from the string object, it returns the index of the position where the specified string first occurs in a string. If the particular string is not found then it will return -1. You can see in the given code, we have used the string.indexOf(substring,0) method where the parameters substring is the specified string and 0 is the index that will allow to start the search for the specified substring.

Here is the code:

<html>
<h2>Use of indexOf() method</h2>
<script type="text/javascript">
var string = "Hello World";
var substring = "World";
var position= string.indexOf(substring,0);
document.write("<b>The substring " + substring + " is at position </b>" + position);
</script>
</html>

Output will be displayed as:

Download Source Code:

        

Advertisements

Liked it!  Share this Tutorial


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: April 18, 2011

Ask Questions?    Discuss: JavaScript indexOf substring  

Post your Comment


Your Name (*) :
Your Email :
Subject (*):
Your Comment (*):
  Reload Image
 
 
Comments
DMCA.com