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cfloop: conditional loop

Description

A conditional loop iterates over a set of instructions as long as a condition is True. To use this type of loop correctly, the instructions must change the condition every time the loop iterates, until the condition is False. Conditional loops are known as WHILE loops, as in, "loop WHILE this condition is true."

Syntax

<cfloop 
  condition = "expression">
  ...
</cfloop>

See also

cfabort, cfbreak, cfexecute, cfexit, cfif, cflocation, cfswitch, cfthrow, cftry

Attributes

Attribute Req/Opt Default Description
condition
Required

Condition that controls the loop.

Example

The following example increments CountVar from 1 to 5.

<!-- Set the variable CountVar to 0 --> 
<cfset CountVar = 0>
<!-- Loop until CountVar = 5 -->
<cfloop condition = "CountVar LESS THAN OR EQUAL TO 5">
  <cfset CountVar = CountVar + 1>
  The loop index is <cfoutput>#CountVar#</cfoutput>.<br>
</cfloop>

The output of this loop is as follows:

The loop index is 1.
The loop index is 2. 
The loop index is 3. 
The loop index is 4. 
The loop index is 5. 

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Comments


CF_Doctor said on Sep 13, 2006 at 1:34 PM :
The example loop will actually generate a sixth line as written:

The loop index is 6.

Does anyone at Adobe bother to do unit testing or what?

 

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