Why input.value = 'x' doesn't fill a React form (and what actually works)

If you have ever tried to script a React form — a test helper, a browser extension, a bookmarklet, an onboarding demo — you have probably hit this: document . querySelector ( ' #email ' ). value = ' test@example.

Source: [Dev.to](https://dev.to/flinthive/why-inputvalue-x-doesnt-fill-a-react-form-and-what-actually-works-1hl7)