How to access the elements in "read-book-iframe-1"?

allio · 09-20-2023, 11:43 AM

I want to customize the contents with some javascript such as onClick event

The code below results in the error "Uncaught DOMException: Blocked a frame with origin "" from accessing a cross-origin frame."

Code:

let read_book_iframe = document.getElementById("read-book-iframe-1");
let element= read_book_iframe.contentWindow.document.querySelector('div');

kovidgoyal · 09-20-2023, 11:47 AM

You cannot book content is rendered in a sandboxed iframe. If you want to use javascript put it in the book you are reading.

09-20-2023, 11:43 AM	#1
allio Junior Member Posts: 8 Karma: 10 Join Date: Nov 2017 Device: Kindle PaperWhite 3 (2015) WiFi	How to access the elements in "read-book-iframe-1"? I want to customize the contents with some javascript such as onClick event The code below results in the error "Uncaught DOMException: Blocked a frame with origin "" from accessing a cross-origin frame." Code: let read_book_iframe = document.getElementById("read-book-iframe-1"); let element= read_book_iframe.contentWindow.document.querySelector('div');

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09-20-2023, 11:47 AM	#2
kovidgoyal creator of calibre Posts: 45,615 Karma: 28549044 Join Date: Oct 2006 Location: Mumbai, India Device: Various	You cannot book content is rendered in a sandboxed iframe. If you want to use javascript put it in the book you are reading.

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