7.5.9 @if Statement

Conditionally executes a group of statements, depending on the value of an expression.
Syntax
@if (condition1)
text1
[@elif (condition2)
text2]
[@else
text3]
@end
- condition1, condition2
- An expression that can be coerced into a Boolean expression.
- text1
- The text to be parsed if condition1 is True.
- text2
- The text to be parsed if condition1 is False and condition2 is True.
- text3
- The text to be parsed if both condition1 and condition2 are False.
Remarks
When writing an @if statement, its clauses do not have to appear on separate lines. In addition, you may use multiple @elif clauses. If you do, all must come before an @else clause.
You commonly use the @if statement to determine which text among several options should be used for text output. For example:
alert(@if (@_win32) "using Windows NT or Windows 95"
@else "using Windows 3.1" @end)
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