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A component is changing an uncontrolled input to be controlled. This is likely caused by the value changing from undefined to a defined value, which should not happen. Decide between using a controlled or uncontrolled input element for the lifetime of the

Glorious Goldfinch answered on August 16, 2022 Popularity 10/10 Helpfulness 2/10

answer A component is changing an uncontrolled input to be controlled. This is likely caused by the value changing from undefined to a defined value, which should not happen. Decide between using a controlled or uncontrolled input element for the lifetime of the

A component is changing an uncontrolled input to be controlled. This is likely caused by the value changing from undefined to a defined value, which should not happen. Decide between using a controlled or uncontrolled input element for the lifetime of the

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import React, { useRef } from "react"
2
3const UncontrolledComponent = () => {
4  const inputRef = useRef()
5  const formSubmitHandler = e => {
6    e.preventDefault()
7    alert("Email: " + inputRef.current.value)
8  }
9  return (
10    <div className="App">
11      <form onSubmit={formSubmitHandler}>
12        <label htmlFor="email">Email:</label>
13        <input type="text" name="email" id="email" ref={inputRef} />
14        <input type="submit" value="Submit" />
15      </form>
16    </div>
17  )
18}
19
20export default UncontrolledComponent

Popularity 10/10 Helpfulness 2/10 Language whatever

Source: www.codingdeft.com

Tags: between defined element input lifetime this undefined using whatever

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Contributed on Aug 16 2022

Glorious Goldfinch

0 Answers Avg Quality 2/10

A component is changing an uncontrolled input to be controlled. This is likely caused by the value changing from undefined to a defined value, which should not happen. Decide between using a controlled or uncontrolled input element for the lifetime of the

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A component is changing an uncontrolled input to be controlled. This is likely caused by the value changing from undefined to a defined value, which should not happen. Decide between using a controlled or uncontrolled input element for the lifetime of the

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