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React.js error “Expected corresponding JSX closing tag” appears when we forget to close a tag in JSX code. To fix the error, you need to use self-closing tags like <input />and ensure the order of opening and closing tags in JSX code is correct.

The following is an example that produces this error:

export default function App() {
  // ⛔️ Expected corresponding JSX closing tag for <input>.
  return (
      <div>
        <h1>Hello world</h1>
        <input id="icon_prefix" type="text" class="validate">
      </div>
  )
}

The problem in our example is that we forgot to close the tag of the input element.

We can use self-closing tags to fix the error.

export default function App() {
  return (
    <div>
      <h1>Hello world</h1>
      <input id="icon_prefix" type="text" class="validate" />
    </div>
  );
}

We used a self-closing tag for the input element. So instead of using , which caused the error <input>, we used <input />.

This error is also commonly caused by img elements. Make sure to always close your img tags as <img src="..." />.

<br />The same is true for the and <hr />tags.

We always have to close the tag or use a self-closing tag because otherwise React expects us to pass the children property to the component.

It can also cause errors when we open and close tags in the incorrect order.

export default function App() {
  // ⛔️ Expected corresponding JSX closing tag for <input>.
  return (
    <div>
      <h1>Hello world
      <span>Hello 123</h1></span>
    </div>
  );
}

The problem in the above code snippet is that the h1 tag opens, then the span element begins, and then the h1 tag closes before the span element.

To fix the error in this case, we have to close the span tag first.

export default function App() {
  return (
    <div>
      <h1>
        Hello world
        <span>Hello 123</span>
      </h1>
    </div>
  );
}

Always use closing or self-closing tags because if React finds only an opening tag, then it expects us to pass a children property to the element and then close it.