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WMLScript Primer

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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

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

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