10 examples of 'typescript remove duplicates from array' in JavaScript

10
function removeDuplicate(arr) {
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  return [...(new Set(arr.map(n => JSON.stringify(n))))].map(n => JSON.parse(n))
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}

9
public static removeDuplicates(array: any[]) {
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    if (!array) {
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        return [];
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    }
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    return array.filter((current, index) => {
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        return array.indexOf(current) === index;
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    });
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}

25
function removeDuplicates_for_loop(arr) {
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  let res = [];
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  const len = arr.length;
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  for (let i = 0; i < len; i++) {
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    if (res.indexOf(arr[i]) === -1) {
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      res.push(arr[i]);
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    }
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  }
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  return res;
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}

48
function removeDuplicates(_array) {
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	var _uniques = [], _dupl = [], i = 0;
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	for (i; i <= _array.length; i++) {
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		var v = _array[i];
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		console.log(i + '-' + v);
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		if (_array.lastIndexOf(v) > i || _dupl.indexOf(v) > -1) {
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			_dupl.push(v);
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		} else {
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			_uniques[_uniques.length] = v;
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		}
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	}
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	return $.grep(_uniques, function(n, i) {
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		return (n);
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	});
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}

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export function remove<T>(array: T[], targetIndex: number) {
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  return array.filter((_, index) => index !== targetIndex);
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}

48
export function remove(array, index) {
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  var len = array.length - 1;
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  var out = new Array(len);
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  var i = 0;
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  while (i < index) {
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    out[i] = array[i];
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    ++i;
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  }
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  while (i < len) {
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    out[i] = array[i + 1];
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    ++i;
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  }
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  return out;
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}

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function horribleDuplicates (array) {
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    for (var i = 0; i < array.length; i++) {
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        for (var j = 0; j < array.length; j++) {
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            if (array[i] == array[j]) {
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                return true
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            }
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        }
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    }
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    return false
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}

483
function remove(array, item) {
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  array.splice(array.indexOf(item), 1);
485
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  return array;
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}

7
function dedupe (array) {
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		return Array.from(new Set(array));
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  	}

23
function removeDuplicates(myArr, prop) {
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    return myArr.filter((obj, pos, arr) => {
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        return arr.map(mapObj => mapObj[prop]).indexOf(obj[prop]) === pos;
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    });
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}