json.difference
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json.difference() Function
• Introduced in version 1.3b53
Returns an array with the differences of all of the JSON Object keys, or JSON Array values.
Usage
json.difference(array, array, ...)json.difference(array, array, ...)Parameter
array- A JSON Array to get the difference of.object- A JSON Object to get the difference of.
So per example
[json.difference(array2, array1)]will result in array2 from which all elements that are found in array1 are removed.