How to pass a list from Python, by Jinja2 to JavaScript

Question

Let\'s say I have a Python variable:

list_of_items = [\'1\',\'2\',\'3\',\'4\',\'5\']

and I pass it to Jinja by rendering HTML, and I also h

Answer 1

You can do this with Jinja's tojson filter, which

Dumps a structure to JSON so that it’s safe to use in

DON'T use json.dumps to JSON-encode variables in your Python code and pass the resulting JSON text to your template. This will produce incorrect output for some string values, and will expose you to XSS if you're trying to encode user-provided values. This is because Python's built-in json.dumps doesn't escape characters like < and > (which need escaping to safely template values into inline