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showing results for - "setstate of one element of an object of states"
Jihane
22 Apr 2016
1function LoginForm() {
2  const [form, setState] = useState({
3    username: '',
4    password: ''
5  });
6
7  const printValues = e => {
8    e.preventDefault();
9    console.log(form.username, form.password);
10  };
11
12  const updateField = e => {
13    setState({
14      ...form,
15      [e.target.name]: e.target.value
16    });
17  };
18
19  return (
20    <form onSubmit={printValues}>
21      <label>
22        Username:
23        <input
24          value={form.username}
25          name="username"
26          onChange={updateField}
27        />
28      </label>
29      <br />
30      <label>
31        Password:
32        <input
33          value={form.password}
34          name="password"
35          type="password"
36          onChange={updateField}
37        />
38      </label>
39      <br />
40      <button>Submit</button>
41    </form>
42  );
43}
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