(Const unique elements)

(Unique elements, in array)

(Function find unique elements array)

(Const unique elements)

(Const unique elements)

Const unique elements

Const element

Count occurrences of each element

For (let element of array)

(Element, element)

(Count, count, count, count, count, count)

Count occurrences of each element

For (let element of array)

Element (count) element (count) element

(Const unique elements)

Add elements with only one occurrence to the result for

(Add element) element in element, element, element

(Const unique elements)

(Return unique elements)

(Return unique elements)

(Return unique elements)

(Return unique elements)

(Return unique elements)

(Return unique elements)

(Return unique elements)

(Return unique elements)

(Return unique elements)

(Const numbers, push)

(For with one occurrence to the result)

(For let element in element count)

(If element count push, push)

Const numbers equals call four, five, four, six, seven, six, eight

Console log (unique elements, find unique elements, const unique elements)

(Const unique elements)

Const number usage