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Issue #309, adding symmetric difference as _.symDifference, and making _.difference accept any number of arguments.

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Jeremy Ashkenas
2011-11-23 12:42:22 -05:00
parent 65ab040a7b
commit 7653c5fe09
2 changed files with 20 additions and 3 deletions
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8
test/arrays.js
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@@ -110,6 +110,14 @@ $(document).ready(function() {
test("arrays: difference", function() {
var result = _.difference([1, 2, 3], [2, 30, 40]);
equals(result.join(' '), '1 3', 'takes the difference of two arrays');
var result = _.difference([1, 2, 3, 4], [2, 30, 40], [1, 11, 111]);
equals(result.join(' '), '3 4', 'takes the difference of three arrays');
});
test("arrays: symDifference", function() {
var result = _.symDifference([1, 2, 3], [2, 22, 222], [3, 33, 333], [222, 333, 444], [5]);
equals(result.join(' '), '1 22 33 444 5', 'takes the symmetric difference');
});
test('arrays: zip', function() {