Created
December 19, 2015 06:16
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| ['3','4','3','7'].reduce(function(prev, item){ | |
| if(!Array.isArray(prev)){ | |
| prev = [prev]; | |
| } | |
| if(prev.indexOf(item.toLowerCase())===-1){ | |
| prev.push(item.toLowerCase()); | |
| } | |
| return prev; | |
| }) |
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