setIsSubsetOf

Returns true if every element of the set is also in the other set.

setIsSubsetOf(a, b) → returns boolean

Member Function Syntax

mySet.isSubsetOf(otherSet)

This function requires Adobe ColdFusion 2025.0.8 and up.  Not supported on Lucee, etc.
  1. CFDocs
  2. Functions
  3. Set Functions
  4. setIsSubsetOf
  5. 0 Issue
  6. Edit
See Also:   setissupersetof   setisdisjointfrom

Argument Reference

a any
Required

The set.

b any
Required

The other set.

Compatibility

ColdFusion:

Version 2025.0.8+ Listed by getFunctionList() in ColdFusion 2025+. No official documentation exists.

Links more information about setIsSubsetOf

Examples
Sample code invoking the setIsSubsetOf function

Signup for cfbreak to stay updated on the latest news from the ColdFusion / CFML community. One email, every friday.

Fork me on GitHub