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count
Last update:
Jun 9, 2026
Returns the number of distinct elements in the set; often an alias of
size().Description
Member method
count() reports the same cardinality as size() in APIs that offer both (for example Java-style naming). If only one of the two exists in your ColdFusion build, use that one consistently.Returns
Non-negative numeric (integer).
Category
ColdFusion Set member methods
Function syntax
set.count()Parameters
| Parameter | Description |
|---|---|
| — | None. |
See also
Example
Starter example in
cfscript (uncomment count() if your build supports it).
<cfscript>
s = setNew();
writeOutput(s.size()); // 0
s.add("a");
s.add("b");
writeOutput(s.size()); // 2
// If supported as an alias:
writeOutput(s.count());
</cfscript>
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