home / experts / javascript / column62

WMLScript Primer

Developer News

News Flash: Adobe Has iPhone Workaround

Adobe's Flash 10.1 Goes Mobile (Minus iPhone)

A Salute to Visionary CEOs

JavaScript vs. WMLScript

The following table summarizes the differences between JavaScript and WMLScript:

Feature	WMLScript	JavaScript
`Semicolons`	Mandatory	Optional
Supports HTML Comments	No	Yes
Non-escape characters preceded by a backslash	No	Yes
Names may include `$` characters	No	Yes
Supports global variables	Yes	Yes
Supports automatic declarations	Yes	Yes
Supports the generic term `number`	Yes	No
Specifies maximum and minimum values for integers	Yes	No
Supports double-precision floating-point values	No	Yes
Supports objects	No	Yes
Supports arrays	No	Yes
`typeof` returns	an integer	a string
Supports `for..in`	No	Yes
Supports `with`	No	Yes
Supports Libraries	Yes	No
Supports `invalid`	Yes	No
Supports `isvalid`	Yes	No
>Supports `delete`	No	yes
Supports `void`	No	Yes
Supports `div`	Yes	No
Supports `extern`	Yes	No
Supports `pragmas`	Yes	No

Next: A Final Word

Produced by Yehuda Shiran and Tomer Shiran

WebMediaBrands Corporate Info

Legal Notices, Licensing, Reprints, Permissions, Privacy Policy.
Advertise | Newsletters | Shopping | E-mail Offers | Freelance Jobs

Whitepapers and eBooks

Adobe Article: Adobe Helps PHP Developers Create Rich Internet Applications
Adobe Article: Java Developers Finding a Home at Adobe Flex
IBM Articles: A Smarter Business Needs Smarter Technology
Intel Xeon Processor Increases Server Efficiency and Capabilities
Intel Tech Brief: Automated Energy Efficiency for the Intelligent Enterprise
Oracle Whitepaper: Using Oracle In-Memory Database Cache to Accelerate the Oracle Database
Oracle Whitepapers - Innovation for IT Leaders
Avaya Article: Communication-Enabled Mashups--Empowering Both Business Owners and IT

Internet.com eBook: IT Manager's Guide to Social Networking
Internet.com eBook: Get Ready for Windows 7
Microsoft Article: Expression Web 3--New Features for PHP Developers
Whitepapers: Manage Your Business Infrastracture with IBM
Whitepaper: Maximize Your Storage Investment with HP
Internet.com eBook: Becoming a Better Project Manager
Microsoft Article: Stress Free and Efficient Designer/Developer Collaboration
MORE WHITEPAPERS, EBOOKS, AND ARTICLES

Webcasts

Webcast: Connecting PHP to Microsoft Technologies
Video: Microsoft Partner Program Benefits
Video: Windows Azure Debugging Tips
SAP BusinessObjects Webcast: Unlock the Power of Reporting with Crystal Reports

IBM Webcast: Speed Business Innovation with Reduced Cost and Risk
Video: Deploy Applications on Windows Azure
MORE WEBCASTS, PODCASTS, AND VIDEOS

Downloads and eKits

Downloads & Free Trials: Microsoft's New Efficiency Resource Center
Get the Windows 7 SDK
Free Trial: Red Gate SQL Backup Pro 6

Iron Speed Designer Application Generator
MORE DOWNLOADS, EKITS, AND FREE TRIALS

Tutorials and Demos

Virtual Lab: Migrating PHP Applications
Enabling Web Slices and Accelerators with a PHP Site
Internet.com Hot List: Get the Inside Scoop on the Hottest IT and Developer Products

All About Botnets
MORE TUTORIALS, DEMOS AND STEP-BY-STEP GUIDES

The latest from WebReference.com

Building a Banking Application Home Page with OOP · Mixing Scripting Languages · Review: phpFox, a Social Networking CMS with all the Bells and Whistles

Sitemap · Experts · Tools · Services · Email a Colleague · Contact

FREE Newsletters >

The latest from internet.com

Enterprise 2.0: Social Networking in the Cloud · BroadSoft Marketplace Hastens Pace of Telephony Innovation · Review: HTC Hero for Sprint

Created: May 22, 2000
Revised: May 22, 2000

URL: http://www.webreference.com/js/column62/7.html