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Pr 5 #5
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Pr 5 #5
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}); | ||
}); | ||
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return isAllUnique; |
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this will return true when the array is empty
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}); | ||
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return isAllUnique; |
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Good job writing this algorithm. This would run but there might be way to find whether all elements in an array is unique a little more efficient by switching the isAllUnique to false when you find a duplicated value and end the iteration there instead of iterated through all elements of the array
let isAllUnique = true; | ||
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array.forEach((currentElement, currentIndex) => { | ||
array.slice(currentIndex + 1).forEach((elementToCompare) => { |
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This seems a little complicated - consider removing the slice
method entirely and just compare to the current element.
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Nice work getting this started.
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array.forEach((currentElement, currentIndex) => { | ||
array.slice(currentIndex + 1).forEach((elementToCompare) => { | ||
if (elementToCompare === currentElement) { |
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I'm not sure why we need to slice here. Can we remove it? I think the nested forEach will take care of comparing each element to the outer forEach element.
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Looks like it gets the job done, but we could make the syntax a little clearer. Also, should we write any tests for this function?
let isAllUnique = true; | ||
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array.forEach((currentElement, currentIndex) => { | ||
array.slice(currentIndex + 1).forEach((elementToCompare) => { |
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This syntax is a little confusing -- does it make more sense to compare currentElement to array[currentIndex + 1] instead of using array.slice(...).forEach(...)?
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All done for now.
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const isAllUniqueElements = (array) => { | |||
let isAllUnique = true; |
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We may want to assign is AllUnique to something else. If the array is empty, it will evaluate to true.
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const isAllUniqueElements = (array) => { | |||
let isAllUnique = true; |
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Let's check for if the array is empty and return appropriately.
This method determines if each element is unique.