回答編集履歴
2
調整
test
CHANGED
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@@ -11,7 +11,7 @@
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11
11
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document.addEventListener('click',e=>{
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12
12
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const t=e.target;
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13
13
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if(t.matches('.col-sm-4 > a')){
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14
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-
t.closest('.row').querySelector
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14
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+
t.closest('.row').querySelector('.col-sm-4 > a.active')?.classList.remove('active');
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15
15
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t.classList.add('active');
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16
16
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}
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17
17
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});
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@@ -28,3 +28,13 @@
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28
28
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</div>
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29
29
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</div>
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30
30
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```
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31
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+
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32
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+
# 一度付けた背景をけさない
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33
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+
```javascript
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34
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+
document.addEventListener('click',e=>{
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35
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+
const t=e.target;
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36
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+
if(t.matches('.col-sm-4 > a')){
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37
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+
t.classList.add('active');
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38
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+
}
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39
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+
});
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40
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+
```
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1
ちょうせい
test
CHANGED
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@@ -11,7 +11,6 @@
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11
11
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document.addEventListener('click',e=>{
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12
12
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const t=e.target;
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13
13
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if(t.matches('.col-sm-4 > a')){
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14
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-
console.log(1);
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15
14
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t.closest('.row').querySelectorAll('.col-sm-4 > a').forEach(x=>x.classList.remove('active'));
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16
15
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t.classList.add('active');
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17
16
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}
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