回答編集履歴
1
1
answer
CHANGED
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@@ -6,16 +6,16 @@
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6
6
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7
7
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const p = data.indexOf(item);
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8
8
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if (p == -1) return [];
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9
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-
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9
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+
const [x1] = data.splice(p,1)
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10
10
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ret.push(x1);
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11
11
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12
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-
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12
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+
const [x2] = data.splice(Math.floor(Math.random() * data.length),1);
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13
13
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ret.push(x2);
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14
14
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15
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-
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15
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+
const [x3] = data.splice(Math.floor(Math.random() * data.length),1);
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16
16
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ret.push(x3);
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17
17
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18
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-
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18
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+
const [x4] = data.splice(Math.floor(Math.random() * data.length),1);
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19
19
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ret.push(x4);
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20
20
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21
21
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for (let i = ret.length - 1; i >= 0; i--) {
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