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setEvery
Last update:
Jun 9, 2026
Returns true if callback(item) is true for all elements; vacuously true on an empty set.
Description
Used to determine if every element in an array satisfies a specific condition. It returns
true if the callback function returns true for all elements, and false if any element fails the test.Returns
Boolean.
Category
ColdFusion Set helper utilities
Function syntax
setEvery(set, callback)Parameters
| Parameter | Description |
|---|---|
| set | Set to test. |
| callback | A closure or function executed for each item. |
See also
Example
The following example uses this API in
cfscript (syntax: utils.setEvery(set, callback)).
<cfscript>
s = setNew();
s.add(1);
s.add(2);
s.add(3);
s.add(4);
s.add(5);
everySet=setEvery(s,function(element,index){
return element > 2; // Check if all elements are greater than 2
})
writeOutput(everySet) // false (1 and 2 are not > 2)
</cfscript>
Real-world example
Before submitting a Set of distinct SKUs from a cart or import, ensure none are unknown.
<cfscript>
cartSkus = setNew();
cartSkus.add("SKU-100");
cartSkus.add("SKU-200");
cartSkus.add("SKU-999");
approved = setNew();
approved.add("SKU-100");
approved.add("SKU-200");
approved.add("SKU-300");
allApproved = setEvery(cartSkus, function (sku) {
return approved.has(sku);
});
writeOutput(allApproved); // false (SKU-999 not approved)
</cfscript>
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