回答編集履歴
1
追記しました。
test
CHANGED
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@@ -6,13 +6,15 @@
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6
6
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7
7
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8
8
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9
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-
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9
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+
function countup(count) {
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10
10
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11
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-
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11
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+
if(count === undefined) {
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12
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+
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13
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count = 0;
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14
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+
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15
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+
}
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12
16
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13
17
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if(count > 5) {
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14
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-
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15
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-
count = 0;
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16
18
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17
19
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return;
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18
20
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@@ -20,15 +22,13 @@
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20
22
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21
23
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console.log(count++);
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22
24
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23
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-
setTimeout(countup, 1000);
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25
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+
setTimeout(countup, 1000, count);
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24
26
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25
27
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}
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26
28
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27
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-
}
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29
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+
}
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28
30
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29
31
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countup();
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30
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-
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31
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-
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32
32
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33
33
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```
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34
34
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