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12 lines
313 B
JavaScript
12 lines
313 B
JavaScript
5 years ago
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// remove duplicate elements in an array
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module.exports = function (O) {
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// make a copy of the original array
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var A = O.slice();
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for (var i = 0; i < A.length; i++) {
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for (var j = i + 1; j < A.length; j++) {
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if (A[i] === A[j]) { A.splice(j--, 1); }
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}
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}
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return A;
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};
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