回答編集履歴
1
sample
answer
CHANGED
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@@ -3,4 +3,52 @@
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3
3
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```javascript
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4
4
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x.parentNode.insertBefore(x,x.parentNode.firstElementChild);
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5
5
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```
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6
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-
それとstyleをいじるくらいなら最初からcssで指定はできないのでしょうか？
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6
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+
それとstyleをいじるくらいなら最初からcssで指定はできないのでしょうか？
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7
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+
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8
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# sample
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9
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念の為sampleつけときます
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10
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```javascript
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11
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<style>
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12
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.aqua{background-Color:aqua;}
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13
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.lime{background-Color:lime;}
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14
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.yellow{background-Color:yellow;}
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15
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</style>
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16
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<script>
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window.addEventListener('DOMContentLoaded', function(e){
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var rivalTop =document.querySelectorAll('.serp--top');
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var rivalBottom = document.querySelectorAll('.serp--bottom');
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document.querySelector('#js-move-top').addEventListener('click', function() {
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Array.prototype.forEach.call(rivalTop,function(x){
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x.parentNode.insertBefore(x,x.parentNode.firstElementChild);
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});
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});
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document.querySelector('#js-move-bottom').addEventListener('click', function() {
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Array.prototype.forEach.call(rivalBottom,function(x){
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x.parentNode.appendChild(x);
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28
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});
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});
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});
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</script>
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<input type="button" id="js-move-top" value="move top">
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34
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<input type="button" id="js-move-bottom" value="move bottom">
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35
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<div class="aqua">
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36
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<div class="serp--top">top</div>
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37
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<div class="serp--middle">middle</div>
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<div class="serp--bottom">bottom</div>
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</div>
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40
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<div class="lime">
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41
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<div class="serp--middle">middle</div>
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<div class="serp--bottom">bottom</div>
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<div class="serp--top">top</div>
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</div>
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45
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<div class="yellow">
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46
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<div class="serp--middle">middle</div>
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47
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<div class="serp--top">top</div>
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48
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<div class="serp--bottom">bottom</div>
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49
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<div class="serp--top">top</div>
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50
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<div class="serp--bottom">bottom</div>
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51
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<div class="serp--middle">middle</div>
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52
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</div>
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53
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54
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```
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