Difference between revisions of "The ? (conditional) Operator"

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= The ? (Conditional) Operator =
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= The ? (Conditional) Operator =
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__NOTOC__
  
 
The conditonal operator (?) returns one of two values depending on the value of the conditional expression. It works the same as If statement.  
 
The conditonal operator (?) returns one of two values depending on the value of the conditional expression. It works the same as If statement.  
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::'''exp2'''
 
::'''exp2'''
  
=== Arguments ===
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=== Arguments ===
  
 
*Conditional expression: a boolean expression  
 
*Conditional expression: a boolean expression  
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*exp2: when the conditional expression is false, this expression will be excuted.
 
*exp2: when the conditional expression is false, this expression will be excuted.
  
=== Examples ===
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=== Examples ===
  
 
<source lang="javascript">
 
<source lang="javascript">

Revision as of 03:59, 21 October 2011

The ? (Conditional) Operator

The conditonal operator (?) returns one of two values depending on the value of the conditional expression. It works the same as If statement.

Syntax

Conditional expression ? exp1 : exp2

Comparing with if statement:

if(Conditional expression)
exp1
else
exp2

Arguments

  • Conditional expression: a boolean expression
  • exp1: when the conditional expression is true, this expression will be excuted.
  • exp2: when the conditional expression is false, this expression will be excuted.

Examples

1 == 1 ? print(true) : print(false);   // return true

//Comparing with if statement
if(1 == 1)
    print(true);
else
    print(false);
// return true