回答編集履歴
1
調整
test
CHANGED
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@@ -8,3 +8,25 @@
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8
8
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fd.append('test',2);
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9
9
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console.log(fd.getAll('test'));
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10
10
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```
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11
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+
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12
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+
# 追記
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13
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+
```javascript
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14
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+
const sessionStorageAppend=(name,list)=>sessionStorage.setItem(name, JSON.stringify((JSON.parse(sessionStorage.getItem('dataStrage')??"[]").concat([list]))));
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15
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const sessionStorageGet=(name)=>JSON.stringify((JSON.parse(sessionStorage.getItem('dataStrage')??"[]")[0]));
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16
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const sessionStorageGetAll=(name)=>JSON.parse(sessionStorage.getItem('dataStrage')??"[]").map(JSON.stringify);
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17
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const a = {
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18
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dataA: 'A',
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19
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+
dataB: 'B',
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20
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dataC: 'C',
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21
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};
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22
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const b = {
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23
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dataD: 'D',
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24
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dataE: 'E',
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25
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dataF: 'F',
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26
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};
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27
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sessionStorage.clear();
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28
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sessionStorageAppend('dataStrage',a);
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29
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sessionStorageAppend('dataStrage',b);
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30
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console.log(sessionStorageGet('dataStrage'));
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31
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+
console.log(sessionStorageGetAll('dataStrage'));
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32
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```
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