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POAS3 && || operators on instructions
primarykey
Id
13203130
data
AcceptedAnswerId
13203242
AnswerCount
2
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2012-11-02T21:13:43.577
FavoriteCount
0
LastActivityDate
2012-11-05T21:57:41.993
LastEditDate
2012-11-05T21:57:41.993
LastEditorUserId
1601662
OwnerUserId
1601662
ParentId
0
PostTypeId
1
Score
3
ViewCount
3554
LastEditorDisplayName
text
Body
what does the operators evaluate on instructions? like: <pre><code>var flag:Boolean=true; flag && trace("1") && trace("2") && trace("3"); </code></pre> output: 1 2 3 <pre><code>var flag:Boolean=true; flag && trace("1") || trace("2") || trace("3"); </code></pre> output 1 The or operator breaks the sentence under idk what circumstances... Edit: ok, now i see how the sentence works with the operators, but is any instruction that doesn't have a return value valuated as true? And it appears u can't evaluate any instruction u want, like: <pre><code>private function any():void{ true && return; } </code></pre> that will throw a compilation error. Edit: In this case, it behaves different to the second example: <pre><code>true && one() || two() || three(); </code></pre> the functions <pre><code>private function one():void{ trace("1"); } private function two():void{ trace("2"); } private function three():void{ trace("3"); } </code></pre> output: 1 2 3 Edit: Assigning values: <pre><code>var a:int; (a=1) || trace("1"); (a=2) && trace("2"); </code></pre> output: 2 Edit: <code>||</code> Returns expression1 if it is true or can be converted to true, and expression2 otherwise <code>&&</code> "Returns expression1 if it is false or can be converted to false, and expression2 otherwise. Examples of values that can be converted to false are 0, NaN, null, and undefined". <a href="http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/operators.html#logical_OR" rel="nofollow">http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/operators.html#logical_OR</a> <a href="http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/operators.html#logical_AND" rel="nofollow">http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/operators.html#logical_AND</a>
Tags
<actionscript-3>
Title
AS3 && || operators on instructions
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PostAcceptedAnswerId
1. PO
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 PostTypePostTypeId
 PTAnswer
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PostTypePostTypeId
1. PTQuestion
UserLastEditorUserId
1. USZiul
UserOwnerUserId
1. USZiul
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1. PO
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 PTAnswer
2. PO
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1. VO
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 POAS3 && || operators on instructions
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2. VO
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