回答編集履歴

1

chousei

2021/12/22 00:21

投稿

yambejp
yambejp

スコア114883

test CHANGED
@@ -2,19 +2,15 @@
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  ```javascript
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- var a=["a","b","c"];
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+ const a=["a","b","c"];
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-
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- var formdata = new FormData();
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-
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- for(i=0;i<a.length;i++){
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-
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- formdata.append("a[]",a[i]);
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-
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- }
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  const url="sample.php";
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+ const method="post";
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+
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+ const body=a.reduce((x,y)=>(x.append("a[]",y),x),new FormData());
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+
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- fetch(url,{method:'post',formdata}).then(res=>res.text()).then(console.log);
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+ fetch(url,{method,body}).then(res=>res.text()).then(console.log);
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  ```
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