Created
April 16, 2019 00:50
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| function recurring(input) { | |
| let save = []; | |
| for (let i of input) { | |
| if (save.includes(i)) { | |
| return i; | |
| } | |
| else { | |
| save.push(i); | |
| } | |
| } | |
| } |
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