Function addUniqueToArray

addUniqueToArray(item: any, array: any[]): any[]
Having an array and a potential new array element, check if the element is in the array, if not append to array.
Parameters
- item: any
  An potential array element, possibly a DomItem
- array: any[]
  An array where an element may be appended.
Returns any[]
- Defined in src/helpers/arrays/addUniqueToArray.ts:7