|
|
Find Duplicate Numbers in array using javascript - Javascript
|
Views : 635
|
|
Tagged in : Javascript
|
|
|
Report This Scrap as Inappropriate
We request you to choose the appropriate categroy and subcategory that suits your
objectionable concern about the scrap, So that our team can review and find out whether it violates our Guidelines or the
scrap is not suitable for all viewers.
|
function find_duplicates(arr) {
var len=arr.length,
out=[],
counts={};
for (var i=0;i<len;i++) {
var item = arr[i];
var count = counts[item];
counts[item] = counts[item] >= 1 ? counts[item] + 1 : 1;
}
for (var item in counts) {
if(counts[item] > 1)
out.push(item);
}
return out;
} |
|
By - Vinoth, On - 2010-02-01 |
|
|
|
