Answers for "form react js"

form in react

import React, { useState } from "react";
import "./styles.css";
function Form() {
  const [firstName, setFirstName] = useState("");
  const [lastName, setLastName] = useState("");
  const [email, setEmail] = useState("");
  const [password, setPassword] = useState("");
  return (
    <form>
      <input
        value={firstName}
        onChange={e => setFirstName(e.target.value)}
        placeholder="First name"
        type="text"
        name="firstName"
        required
      />
      <input
        value={lastName}
        onChange={e => setLastName(e.target.value)}
        placeholder="Last name"
        type="text"
        name="lastName"
        required
      />
      <input
        value={email}
        onChange={e => setEmail(e.target.value)}
        placeholder="Email address"
        type="email"
        name="email"
        required
      />
      <input
        value={password}
        onChange={e => setPassword(e.target.value)}
        placeholder="Password"
        type="password"
        name="password"
        required
      />
      <button type="submit">Submit</button>
    </form>
  );
}
export default Form;

react text input onchange

class NameForm extends React.Component {
  constructor(props) {
    super(props);
    this.state = {value: ''};
    this.handleChange = this.handleChange.bind(this);
    this.handleSubmit = this.handleSubmit.bind(this);
  }

  handleChange(event) {    this.setState({value: event.target.value});  }
  handleSubmit(event) {
    alert('A name was submitted: ' + this.state.value);
    event.preventDefault();
  }

  render() {
    return (
      <form onSubmit={this.handleSubmit}>
        <label>
          Name:
          <input type="text" value={this.state.value} onChange={this.handleChange} />        </label>
        <input type="submit" value="Submit" />
      </form>
    );
  }
}

form react

// perfect form
import React, { useState } from "react";
import axios from "axios";
import { toastError, toastSuccess } from "./Toast";
import { useHistory } from "react-router-dom";

export function FetchAPI() {
  const history = useHistory();

  const [user, setUser] = useState({
    firstName: "",
    lastName: "",
    email: "",
    password: "",
  });

  const onInputChange = async (e) => {
    setUser({ ...user, [e.target.name]: e.target.value });
  };
  const { firstName, lastName, email, password } = user;

  const handleSubmit = async (e) => {
    e.preventDefault();
    axios
      .post(`http://localhost:4000/user`, user)
      .then((res) => {
        console.log("~ res", res)
        toastSuccess("User successfully registered");
      })
      .catch((error) => {
        console.log(error);
        toastError("Useris not created try again");
      });
    history.push("/displayUser");
    console.log("Out side handle");
  };
  return (
    <form onSubmit={(e) => handleSubmit(e)}>
      <center>
        <div style={{ marginTop: "40px" }}>
          <label>
            First Name:
            <input
              type="text"
              value={firstName}
              name="firstName"
              onChange={(e) => onInputChange(e)}
              required
            />
          </label>
          <br />
          <label>
            last Name:
            <input
              type="text"
              value={lastName}
              name="lastName"
              onChange={(e) => onInputChange(e)}
            />
          </label>
          <br />
          <label>
            email:
            <input
              type="email"
              value={email}
              name="email"
              onChange={(e) => onInputChange(e)}
              required
            />
          </label>
          <br />
          <label>
            password:
            <input
              type="text"
              value={password}
              name="password"
              onChange={(e) => onInputChange(e)}
              required
            />
          </label>
          <br />
          <br />
          <button>Submit </button>
        </div>
      </center>
    </form>
  );
}
export default FetchAPI;

form react

<form>
  <label>
    Nome:
    <input type="text" name="name" />
  </label>
  <input type="submit" value="Enviar" />
</form>

form in react js

// functional react form 

import React, { useState } from "react";

export function Form() {
	const [name, setName] = useState("");


	const handleSubmit = (evt) => {
		evt.preventDefault();
		alert(`Submitting Name ${name}`)
	}
	const changeName = (e) => {
		setName(e.target.value)
	}
	return (
		<form onSubmit={handleSubmit}>
			<br />
			<br />
			<label>
				Frirst Name:
        <input
					type="text"
					value={name}
					onChange={changeName}
				/>
			</label>
			<input type="submit" value="Submit" />
		</form>
	);
}
export default Form;

form react js

function handleSubmit(e) {
        e.preventDefault();
        let formData = new FormData(e.target);
        fetch('http://192.168.1.192:3000/api/contribuable/nouveau', {
            method: 'POST',
            body: new URLSearchParams(formData)
        }).then(res => res.json())
            .then(response => {
                console.log(response)
            }).catch(console.log);
    }