回答編集履歴
1
テキスト修正
test
CHANGED
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@@ -31,3 +31,29 @@
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31
31
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32
32
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33
33
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[https://jsfiddle.net/jun68ykt/b19mr5n6/3/](https://jsfiddle.net/jun68ykt/b19mr5n6/3/)
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34
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+
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35
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+
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36
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+
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37
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または、`forEach`で回すなら
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38
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+
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39
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40
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41
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```javascript
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42
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43
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[].forEach.call(document.getElementsByClassName('range'), (node, i) => {
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44
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45
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node.addEventListener('input', e => {
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46
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47
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const valueSpan = document.getElementById(`value${i+1}`);
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48
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49
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valueSpan.innerHTML = e.target.value;
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50
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51
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});
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52
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53
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});
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54
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55
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```
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56
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57
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58
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59
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サンプル： [https://jsfiddle.net/jun68ykt/b19mr5n6/4/](https://jsfiddle.net/jun68ykt/b19mr5n6/4/)
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