回答編集履歴
1
改善
test
CHANGED
@@ -1,31 +1,47 @@
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1
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imgタグにidを振って切り替え
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3
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```HTML
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<!DOCTYPE HTML>
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7
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<html>
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h
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<head>
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11
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<meta charset="utf-8">
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htt
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
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15
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</head>
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<body>
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<img id="image" src="images/1.jpg" alt="" />
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<script language="javascript" type="text/javascript">
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C
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function OnButtonClick() {
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var imglist = new Array(
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"images/1.jpg",
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28
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29
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"images/2.jpg",
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30
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27
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31
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"images/3.jpg",
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32
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"images/4.jpg" );
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var selectnum = Math.floor(Math.random() * imglist.length);
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document.getElementById("image").src = imglist[selectnum];
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</script>
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<input type="button" value="押すと画像が表示されます!" onclick="OnButtonClick();"/>
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31
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43
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</body>
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45
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</html>
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46
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47
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```
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