How to convert string to JSX to using in React

Question

I have some JSX format strings which are saved into the database. Now I want to convert them to the JSX again. For example:

let a = "<TestComponent />"; // String is loaded from database
ReactDOM.render(
    a,
    document.getElementById('root')
);

How could it be possible?

That post asks "how do I take a string and render it as content?" while this posts asks "how do I take a string and render it as the component itself?" Not a dupe (of that one, anyway). — Mike Post
– Mike Post, Commented Sep 24, 2017 at 13:46
Googled "react parse jsx" and got npmjs.com/package/react-jsx-parser — JulienD
– JulienD, Commented Sep 24, 2017 at 19:18

Rohan · Accepted Answer · 2018-04-12 18:10:20Z

1

You can use dangerouslySetInnerHTML like this:

let a = "<TestComponent />"; // String is loaded from database
function createMarkup() {
  return {__html: a};
}

function MyComponent() {
  return <div dangerouslySetInnerHTML={createMarkup()} />;
}

ReactDOM.render(
  a,
  document.getElementById('root')
);

answered Apr 12, 2018 at 18:10

Rohan

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1 Comment

Penguin Over a year ago

No Use. This approach doesn't work. Instead, it gives below: <testcomponent></testcomponent>

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