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   ► KBWebsite Scri...JavaScript a...   Print This     
  From the December 2014 Issue of Prestwood eMag
 
JavaScript and AJAX:
JavaScript Case Sensitivity (Yes)
 
Posted 12 years ago on 10/23/2008 and updated 1/3/2009
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KB101339

Languages Focus: Case Sensitivity

Case sensitiviy in this case is referring to commands and variable names. For example, are "printf" and "PrintF" equivalent? Are fullname and FullName equivalent? When you create commands, operations, methods, or variables should you worry about case?

JavaScript Case Sensitivity

JavaScript is case sensitive. Change the case, and it no longer works! Notice the "W" in "Write" is capitalized.

<script language=JavaScript> 
<!--
document.Write("Hello"); //Does not work!
//-->
</script>

Variable names are case sensitive.

Syntax Example:

This does work:

<script language=JavaScript> 
<!--
document.write("Hello");
//-->
</script>

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Code Contributed By Mike Prestwood:

Mike Prestwood is a drummer, an author, and creator of the PrestwoodBoards online community. He is the President & CEO of Prestwood IT Solutions. Prestwood IT provides Coding, Website, and Computer Tech services. Mike has authored 6 computer books and over 1,200 articles. As a drummer, he maintains play-drums.com and has authored 3 drum books. If you have a project you wish to discuss with Mike, you can send him a private message through his PrestwoodBoards home page or call him 9AM to 4PM PST at 916-726-5675 x205.

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