回答編集履歴
2
chousei
answer
CHANGED
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@@ -3,7 +3,7 @@
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3
3
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<script>
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4
4
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$(function(){
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5
5
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$('#chk').on('click',function(){
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6
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-
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6
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+
var forcusNum = $('[name=Genre]').index($(':checked'));
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7
7
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console.log(forcusNum);
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8
8
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});
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9
9
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});
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1
chousei
answer
CHANGED
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@@ -1,5 +1,21 @@
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1
1
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indexの考え方が違います
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2
2
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```javascript
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3
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+
<script>
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4
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+
$(function(){
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5
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+
$('#chk').on('click',function(){
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3
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-
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6
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+
let forcusNum = $('input:radio[name="Genre"]').index($(':checked'));
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4
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-
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7
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+
console.log(forcusNum);
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8
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});
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9
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});
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10
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+
</script>
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11
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+
<form>
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12
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+
<label><input name="Genre" type="radio" value="aaa">A</label>
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13
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+
<label><input name="Genre" type="radio" value="bbb">B</label>
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14
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+
<label><input name="Genre" type="radio" value="ccc">C</label>
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15
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+
<label><input name="Genre" type="radio" value="ddd">D</label>
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16
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+
<label><input name="Genre" type="radio" value="eee">E</label><br>
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17
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+
<input type="button" id="chk" value="check">
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18
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+
<input type="reset" value="resett">
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19
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</form>
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20
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+
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5
21
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```
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