Jinja escapes JSON so it is invalid JavaScript

• javascript
• flask
• escape
• jinja

Flask’s Jinja environment escapes rendered data in HTML templates for security. Rather than dumping the JSON themselves, the user should use the |tojson filter. If they have dumped it, they can wrap it with Markup, or use the |safe filter. |tojson marks the data safe automatically.

• JavaScript raises SyntaxError with JSON rendered in Jinja template