how to get unique values from array in javascript without duplicate value

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Otto
18 Sep 2020
1function uniqueArray2(arr) {
2    var a = [];
3    for (var i=0, l=arr.length; i<l; i++)
4        if (a.indexOf(arr[i]) === -1 && arr[i] !== '')
5            a.push(arr[i]);
6    return a;
7}
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