##Leap My code: here
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Responder #1 (here) - This responder used a multi-line if / else statement and did not extract out the 3 modulo operations into a separate function.
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Responder #2 (here) - This responder used a ternary statement, but unnecessarily included a true / false return.
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Responder #3 (here) - This user decided to build the logic out with a nested conditional, nesting the %100 and %400 checks within the %4 conditional. It appears cleaner at first glance and the nested structure does mirror the logic of the problem, though I know in a more complex situation a nested conditional could prove to be a real can of worms.
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Responder #4 (here - This responder used three nested if statements and four different return statements. I don't think this is the most readable approach.
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Responder #5 (here) - This responder used almost teh same approach that I used. She / he extracted out the modulo function into three separate constants. I've never seen constants used this way and I'm left wondering what the drawbacks / advantages this has over defining a divisible function.
##Hamming My code: here
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Responder #1 (here) - This responder used the charAt() function.
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Responder #2 (here) - This responder used a let statement to declare variables. She / he also used a ternary operation to either add 0 or 1. I think it's simpler to add 1 in the case of inputs being unequal as opposed to adding 0 if they are equal and adding 1 if they are not equal.
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Responder #3 (here) - This user ran the split the strands before checking for length equality.
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Responder #4 (here - This responder created a class Haming and declared constants of each split strand. She / he also used the reduce function to get the total count of disimilar characters.
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Responder #5 (here) - This responder took a similar approach to my own. I extracted pieces into separate functions, they did not.
##RNA Transcription My code: here - Unlike the five responders I looked at, I used a hash / dictionary to store the nucleotide conversion. I think this is the best approach because it does not require the use of any conditionals.
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Responder #1 (here) - This responder used a switch case, but I don't think it will pass the final test of transcribing dna with multiple nucleotides.
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Responder #2 (here) - This responder two arrays to store the dna to rna transcription code. She / he then used a map function to do the conversion.
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Responder #3 (here) - This responder used a series of conditional ternary statements within a forEach loop.
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Responder #4 (here - This responder used a similar approach to #3 except they wrote out the conditionals with if / else if / else and used a traditional for loop.
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Responder #5 (here) - This responder created a separate function called 'complement' which used a switch case to return a nucleotide's complement nucleoptide. Then she / he ran a for loop on the nucleotide input and called the compliment function on each nucleotide.