javascript

How not to refresh a page from JavaScript?

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I am working on a website using asp.Net, and it includes a page called from an iframe.
This page named Districting, has a javascript code in the aspx page.
I created a function, that is executed when “Done” button is clicked. This function tests if the conditions that the user made are true.
If yes, another page is loaded, if no, an alert appears, and nothing happens.
But actually, something is happening: the page is refreshing which is not what I want.
This is the button:

Can a website detect when you are using Selenium with chromedriver?

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I’ve been testing out Selenium with Chromedriver and I noticed that some pages can detect that you’re using Selenium even though there’s no automation at all. Even when I’m just browsing manually just using Chrome through Selenium and Xephyr I often get a page saying that suspicious activity was detected. I’ve checked my user agent, and my browser fingerprint, and they are all exactly identical to the normal Chrome browser.

Display data streamed from a Flask view as it updates

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I have a view that generates data and streams it in real time. I can’t figure out how to send this data to a variable that I can use in my HTML template. My current solution just outputs the data to a blank page as it arrives, which works, but I want to include it in a larger page with formatting. How do I update, format, and display the data as it is streamed to the page?