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Remove duplicates from array
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function removeDuplicates(arr) { | |
var clean = [] | |
var cleanLen = 0 | |
var arrLen = arr.length | |
for (var i = 0; i < arrLen; i++) { | |
var el = arr[i] | |
var duplicate = false | |
for (var j = 0; j < cleanLen; j++) { | |
if (el !== clean[j]) continue | |
duplicate = true | |
break | |
} | |
if (duplicate) continue | |
clean[cleanLen++] = el | |
} | |
return clean | |
} |
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