1 | const array = require("extra-array");
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2 |
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3 | var x = [1, 2, 3, 4];
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4 | var y = [3, 4, 5];
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5 | array.symmetricDifference(x, y);
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6 |
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7 | var y = [-3, -4, -5];
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8 | array.symmetricDifference(x, y);
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9 |
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10 | array.symmetricDifference(x, y, (a, b) => Math.abs(a) - Math.abs(b));
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11 |
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12 | array.symmetricDifference(x, y, null, v => Math.abs(v));
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