All of the form helper functions available in the latest release of the DEFAULTV2 Form Family.
The search results can be refined by function type (get, set, enable, disable etc) and by form element (field, variable, value etc).
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helper.filterOptions(fieldName, groupNames)
Filters the option data in list/group field types.
helper.utilFilterSelectOptions(inputID, optionData, groupNames)
Low level jQuery wrapper for re-building a set of HTML option elements from the supplied optionData object.