blocked a frame of origin “null” from accessing a cross-origin frame – chrome

This happens because Chrome doesn’t allow frames from your hard disk to access each others’ content. Which, technically we term as Cross-origin request.

Solution of the above problem is:

1. Either you host your webpage on a local web server. See the following link:
What is a faster alternative to Python’s http.server (or SimpleHTTPServer)?

2. Use any other browser like Firefox

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