回答編集履歴
1
チョウセイ
answer
CHANGED
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@@ -5,16 +5,12 @@
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5
5
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[].forEach.call(document.querySelectorAll('img'),x=>{
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6
6
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x.addEventListener('click',e=>{
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7
7
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var t=e.target;
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8
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-
fetch(t.src).then(res=>{
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9
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-
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8
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+
fetch(t.src).then(res=>new Promise(resolve=>resolve(res.blob())).then(blob=>new Object({
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10
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-
console.log({
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11
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-
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9
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+
type:res.headers.get("content-type"),
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12
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-
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10
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+
size:blob.size,
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13
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-
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11
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+
width:t.naturalWidth,
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14
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-
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12
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+
height:t.naturalHeight,
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15
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-
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13
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+
}))).then(console.log);
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16
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-
});
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17
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-
});
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18
14
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});
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19
15
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});
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20
16
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});
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