回答編集履歴
2
修正
test
CHANGED
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@@ -8,7 +8,15 @@
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8
8
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9
9
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x.addEventListener('input',()=>{
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10
10
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11
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+
if(document.querySelector('[name=a]:checked')){
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12
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+
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11
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-
answer.value=(document.querySelector('[name=a]:checked')?.value||0)
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13
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+
answer.value=Number(document.querySelector('[name=a]:checked')?.value||0)+Number(document.querySelector('[name=b]:checked')?.value||0)/2;
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14
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+
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15
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+
}else{
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16
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+
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17
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+
answer.value=Number(document.querySelector('[name=b]:checked')?.value||0);
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18
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+
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19
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}
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12
20
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13
21
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});
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14
22
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@@ -18,20 +26,18 @@
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18
26
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19
27
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</script>
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20
28
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21
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-
<label><input type="radio" name="a" value="10">10</label>
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29
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+
<label><input type="radio" name="a" value="100">100</label>
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22
30
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23
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-
<label><input type="radio" name="a" value="20">20</label>
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31
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+
<label><input type="radio" name="a" value="200">200</label>
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24
32
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25
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-
<label><input type="radio" name="a" value="30">30</label><br>
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33
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+
<label><input type="radio" name="a" value="300">300</label><br>
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26
34
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27
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-
<label><input type="radio" name="b" value="1">1</label>
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35
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+
<label><input type="radio" name="b" value="1000">1000</label>
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28
36
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29
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-
<label><input type="radio" name="b" value="2">2</label>
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37
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+
<label><input type="radio" name="b" value="2000">2000</label>
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30
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-
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31
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-
<label><input type="radio" name="b" value="3">3</label><br>
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32
38
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33
39
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<input type="text" id="answer">
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34
40
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35
41
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```
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36
42
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37
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-
aを選
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43
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+
aを選ぶとbが半額に修正
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1
調整
test
CHANGED
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@@ -33,3 +33,5 @@
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33
33
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<input type="text" id="answer">
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34
34
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35
35
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```
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36
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+
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37
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+
aを選んだときしか有効にしないとも読めるので微調整
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