What is concatenation?

August 17th, 2009 by uCertify Leave a reply »

Concatenation is the process of joining two or more strings. Strings can be joined in three ways:

  1. + operator
  2. += operator
  3. concat function

Each of them is shown with an example as follows:

  1. The + operator
  2. The + operator can be used to concatenate the strings as follows:

    var name=”John”
    alert(”My name is “+name)

    The output is shown in the image below:

  3. The += operator
  4. The += operator can be used as follows:

    var tag=”<html>”
    tag+=”<head><title>My web page </title></head>”
    tag+=”<body><p>This is my first web page </body>
    tag+=”</html>”

    The output is shown in the image below:

  5. The concat function
  6. The concat function belongs to a string object and it can be used to combine strings. The following code will demonstrate this:

    var str=”This is my string “.concat(”This is your string”)

    The output is shown in the image below:

Download free practice test for CIW Master CIW Web Site Manager exam. Become CIW JavaScript Fundamentals certified.
Like this article? Share it with others
If you like this article, please leave a comment or subscribe this blog via RSS or via e-mail, Bookmark and share through your network. Click the AddThis button below. Thanks.
  • Share/Bookmark
Advertisement

Leave a Reply

uCertify.com | Our Company | Articles | Contact Us | News and Press Release | uCertify India | Entries (RSS)
MCSE: MCSA, MCTS, MCITP    JAVA Certification: SCJP, SCWCD    Cisco Certification: CCNA, CCENT    A+, Network+, Security+ Project+
Oracle Certification: OCP 11g, OCP 10g, OCA 11g, OCA 10g    CIW foundation    EC-212-32,    CISSP    Photoshop ACE CS4    Adobe Flash ACE, PMP, CAPM
© 2008 uCertify.com. All rights reserved. All trademarks are the property of their respective owners.