回答編集履歴
2
chousei
test
CHANGED
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@@ -8,7 +8,7 @@
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8
8
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9
9
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$('#chk').on('click',function(){
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10
10
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11
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-
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11
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+
var forcusNum = $('[name=Genre]').index($(':checked'));
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12
12
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13
13
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console.log(forcusNum);
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14
14
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1
chousei
test
CHANGED
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@@ -2,8 +2,40 @@
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2
2
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3
3
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```javascript
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4
4
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5
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-
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5
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+
<script>
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6
6
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7
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+
$(function(){
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8
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+
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9
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+
$('#chk').on('click',function(){
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10
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+
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11
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+
let forcusNum = $('input:radio[name="Genre"]').index($(':checked'));
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12
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+
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7
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-
console.log(forcusNum);
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13
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+
console.log(forcusNum);
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14
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+
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15
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+
});
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16
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+
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17
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+
});
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18
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+
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19
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+
</script>
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20
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+
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21
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+
<form>
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22
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+
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23
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<label><input name="Genre" type="radio" value="aaa">A</label>
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24
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+
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25
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+
<label><input name="Genre" type="radio" value="bbb">B</label>
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26
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+
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27
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+
<label><input name="Genre" type="radio" value="ccc">C</label>
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28
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+
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29
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+
<label><input name="Genre" type="radio" value="ddd">D</label>
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30
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+
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31
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+
<label><input name="Genre" type="radio" value="eee">E</label><br>
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32
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+
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33
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+
<input type="button" id="chk" value="check">
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34
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+
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35
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+
<input type="reset" value="resett">
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36
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+
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37
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+
</form>
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38
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+
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39
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+
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8
40
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9
41
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```
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