Difference between revisions of "The ? (conditional) Operator"
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= The ? (Conditional) Operator = | = The ? (Conditional) Operator = | ||
| + | __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. | ||
| − | === Syntax === | + | === Syntax === |
| − | '''Conditional expression ? exp1 : exp2 ''' | + | '''Conditional expression ? exp1 : exp2 ''' |
Comparing with if statement:<br> | Comparing with if statement:<br> | ||
| − | :'''if(Conditional expression)'''<br> | + | :'''if(Conditional expression)'''<br> |
::'''exp1'''<br> | ::'''exp1'''<br> | ||
:'''else'''<br> | :'''else'''<br> | ||
::'''exp2''' | ::'''exp2''' | ||
| − | === Arguments | + | === Arguments === |
*Conditional expression: a boolean expression | *Conditional expression: a boolean expression | ||
| − | *exp1: when conditional expression is true, this expression will be excuted. | + | *exp1: when the conditional expression is true, this expression will be excuted. |
| − | *exp2: when conditional expression is false, this expression will be excuted. | + | *exp2: when the conditional expression is false, this expression will be excuted. |
| − | === Examples === | + | === Examples === |
<source lang="javascript"> | <source lang="javascript"> | ||
Latest revision as of 08:06, 14 December 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
- 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
