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How to render HTML in React

The Valley of Code

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Find out how to render an HTML string in the DOM without escaping, using React

I had this problem - I needed to add an HTML string in a React application, coming from a WYSIWYG editor, but simply adding {myString} to the JSX was escaping the HTML.. so the HTML tags were displayed to the user!

How did I solve it? I saw 2 solutions, basically. The first native, the second required a library.

First solution: use dangerouslySetInnerHTML

You can use the dangerouslySetInnerHTML attribute on an HTML element to add an HTML string inside its content:


Remember that it’s called dangerously for a reason. HTML is not escaped at all in this case, and it might cause XSS issues.

But there are good use cases for this.

Second solution: use a 3rd party library

There are many libraries that implement the functionality that dangerouslySetInnerHTML provides, in a simpler way.

One of them is the react-html-parser library.

See the library on GitHub:

Warning: at the time of writing, it’s not been updated in the last 2 years, so things might break in the future. It worked for me.

Which one to use?

You can look for other similar libraries, but in the end I chose to use the dangerouslySetInnerHTML way.

This dangerously-looking name was a built-in reminder to pay attention at correctly whitelisting the HTML tags I allowed the user to enter to that HTML string.

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