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Asked: 2026-05-13T11:20:24+00:00

I have an AJAX request that creates a ‘post’, and upon successful post, I

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I have an AJAX request that creates a ‘post’, and upon successful post, I want to get HTML to inject back into the DOM. Right now I’m returning a JSON array that details success/error, and when I have a success I also include the HTML for the post in the response. So, I parse the response as JSON, and set a key in the JSON array to a bunch of HTML Code.

Naturally, the HTML code is making the JSON array break — what should I do to escape it (or is there a better way to do this?). I get an AJAX response with a JSON array like so:

[{response:"success"},{html:'<div class="this is going to break...

Thanks!

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1 Answer

  1. Editorial Team

    Contrary to what you’re probably used to in JavaScript, ‘ can’t begin a string in JSON. It’s strictly a “. Single quotes work when you’re passing JSON to JavaScript.. much like <br> works when you want to put an XHTML line break.

    So, use ” to open the HTML string, and sanitize your quotes with \”.

    json.org has more info WRT what you should sanitize. Though the list of special characters isn’t long, it’s probably best to use a library like Anurag suggests in a comment.

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