Web+ Tutorial

Lesson 4.1 - Conditional Execution (webIf...webElseIf...webElse)

Description

Allows conditional execution, based on the evaluation of an expression.

Syntax

<webIf #conditions#>

[instructions]

[<webElseIf #conditions#>

[instructions]]

[<webElse>

[instructions]]

</webIf>

Agument

/tutorial/argument/arg14.wml

Example

<webIf #accidents = 0#>

The highway status is good.

</webIf>

<webIf #temperature Lt 20#>

<webIf #temperature Gt 10#>
Temperature is within tolerance.
</webIf>

</webIf>

<webIf #i Lt 10#>

<webPrint>#i#</webPrint> is less than 10.

<webElseIf #i = 10#>

<webPrint>#i#</webPrint> is equal to 10.

<webElse>

<webPrint>#i# is larger than 10.

</webIf>

<webIf #(month = "July") && (day = 4)#>

<webPrint>Today is the #Day#th of #month#.</webPrint>

</webIf>

Exercise

You can try out some Web+ code of your own here.