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16 lines
354 B
JavaScript
16 lines
354 B
JavaScript
function find_duplicate_in_array(arra1) {
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var i,
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len=arra1.length,
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result = [],
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obj = {};
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for (i=0; i<len; i++)
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{
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obj[arra1[i]]=0;
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}
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for (i in obj) {
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result.push(i);
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}
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return result;
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}
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var arr = [1, 2, -2, 4, 5, 4, 7, 8, 7, 7, 71, 3, 6];
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console.log(find_duplicate_in_array(arr));
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