how to create form using react js?

<form>
  <label>
    Name:
    <input type="text" name="name"开发者_如何学JAVA />
  </label>
  <input type="submit" value="Submit" />
</form>

such as <input>, <textarea>, and <select> typically maintain their own state and update it based on user input. In React, mutable state is typically kept in the state property of components, and only updated with setState().

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If I got your point.
The thing you need is Uncontrolled Components.
Take a look at this document: Uncontrolled Components
It might help you

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you can still use document.getElementById if it helps in your case