Typescript input onchange event.target.value

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隐瞒了意图╮
隐瞒了意图╮ 2020-11-28 21:25

In my react and typescript app, I use: onChange={(e) => data.motto = (e.target as any).value}.

How do I correctly define the typings for the class, s

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  •  甜味超标
    2020-11-28 21:53

    This is when you're working with a FileList Object:

    onChange={(event: React.ChangeEvent): void => {
      const fileListObj: FileList | null = event.target.files;
      if (Object.keys(fileListObj as Object).length > 3) {
        alert('Only three images pleaseeeee :)');
      } else {
        // Do something
      }
    
      return;
    }}
    

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