June 24, 2000 - WMLScript vs. JavaScript

June 24, 2000
WMLScript vs. JavaScript

Yehuda Shiran, Ph.D.
Doc JavaScript

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

For more on WMLScript, go to Column 62, WMLScript Primer.