Language Reference |
Used to perform a logical disjunction on two expressions.
result = expression1 || expression2
The || operator syntax has these parts:
Part Description result Any variable. expression1 Any expression. expression2 Any expression.
If either or both expressions evaluate to True, result is True. The following table illustrates how result is determined:
If expression1 is And expression2 is The result is True True True True False True False True True False False False
For information on when a run-time error is generated by the && operator, see the Operator Behavior table.
JScript uses the following rules for converting non-Boolean values to Boolean values:
- All objects are considered true.
- Strings are considered false if and only if they are empty.
- null and undefined are considered false.
- Numbers are false if and only if they are 0.
© 1997 by Microsoft Corporation. All rights reserved.
|file: /Techref/inet/iis/jscript/htm/js666.htm, 3KB, , updated: 2008/1/31 12:16, local time: 2018/4/21 04:47,
|©2018 These pages are served without commercial sponsorship. (No popup ads, etc...).Bandwidth abuse increases hosting cost forcing sponsorship or shutdown. This server aggressively defends against automated copying for any reason including offline viewing, duplication, etc... Please respect this requirement and DO NOT RIP THIS SITE. Questions?|
<A HREF="http://techref.massmind.org/techref/inet/iis/jscript/htm/js666.htm"> || Operator</A>
|Did you find what you needed?|
Welcome to massmind.org!
Welcome to techref.massmind.org!