Software⏱️ 2 min read📅 2026-06-03

How to Fix: jQuery.parseJSON throws “Invalid JSON” error due to escaped single quote in JSON

Learn how to fix: jQuery.parseJSON throws “Invalid JSON” error due to escaped single quote in JSON.

Quick Answer: Try checking your system settings or restarting.

To fix the issue of jQuery.parseJSON throwing an "Invalid JSON" error due to escaped single quotes in JSON, you can use the following methods:

⚠️ Common Causes

  • Server-side JSON encoding issues, where single quotes are escaped as \'.

✅ Best Solutions to Fix It

Method 1: Using JSON.parse() with escapeRegExp()

  1. Replace escaped single quotes with a temporary placeholder, such as \x27.

Method 2: Server-side JSON encoding fixes

  1. Use a JSON encoder that properly escapes single quotes, such as JSON.stringify() with the replacer option.

🎯 Final Words

By implementing these solutions, you can ensure that your server-side JSON is properly encoded and parsed by jQuery.parseJSON without encountering invalid JSON errors.

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