質問編集履歴
3
編集
test
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File without changes
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test
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@@ -120,9 +120,9 @@
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120
120
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121
121
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if (option == 2){
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123
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-
var png = canvas.toDataURL("image/jpeg").replace("data:image/jpeg;base64,","");
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123
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+
var png = canvas.toDataURL("image/jpeg").replace("data:image/jpeg;base64,",""); // ←エラーが出るのはこの行です
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124
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-
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+
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125
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-
png = window.atob(png);
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125
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+
png = window.atob(png);
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126
126
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127
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var Stream = AsciiToUint8Array(png);
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128
128
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2
編集
test
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File without changes
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test
CHANGED
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@@ -38,9 +38,9 @@
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38
38
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39
39
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40
40
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41
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-
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41
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+
### ソースコード
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42
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+
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42
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-
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43
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+
```
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43
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-
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44
44
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45
45
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<!DOCTYPE HTML>
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46
46
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1
コードブロックで囲ってみました
test
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File without changes
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test
CHANGED
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@@ -26,8 +26,6 @@
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26
26
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27
27
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```
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28
28
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29
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-
エラーメッセージ
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30
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-
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31
29
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index.html:41 Uncaught DOMException: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported.
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32
30
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33
31
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at onClick (file:///C:/Users/hirose/Desktop/crista/xxxz/%E6%96%B0%E3%81%97%E3%81%84%E3%83%95%E3%82%A9%E3%83%AB%E3%83%80%E3%83%BC/%E3%83%A9%E3%83%B3%E7%9D%80%E3%81%9B%E6%9B%BF%E3%81%88%20-%20%E3%82%B3%E3%83%94%E3%83%BC/index.html:41:22)
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@@ -36,14 +34,14 @@
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36
34
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37
35
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38
36
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39
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-
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40
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-
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41
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-
```html5
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42
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-
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43
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-
### ソースコード
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44
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-
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45
37
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```
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46
38
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39
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+
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40
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+
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41
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+
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42
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+
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43
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+
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44
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+
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47
45
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<!DOCTYPE HTML>
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48
46
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49
47
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<html>
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