It’s done by overriding the document.onrightclick and the selection start something function in the browser. Reset it and you’re done.
I know this because of a manufacturers website that does this. So incredibly annoying when the only reason anybody would want to copy from their webbo is for reference of their own products. In my case the product numbers to search for where to buy it.
I was going to copy content from the page using Absolute Enable Right Click & Copy in Firefox, but then I realized the content isn’t worth copying.
So yes, there are add-ons to easily extract text and bypass this. The text is sent to your computer. It’s your computer. You can copy the content.
Don’t even need an addon, just hit F12 to open dev tools and use the network tab to get images/videos, and inspector tab for text.
It’s done by overriding the document.onrightclick and the selection start something function in the browser. Reset it and you’re done.
I know this because of a manufacturers website that does this. So incredibly annoying when the only reason anybody would want to copy from their webbo is for reference of their own products. In my case the product numbers to search for where to buy it.
I bet in ublock origin you can just click the “block JavaScript” button and refresh the page. That works for a lot of things like this.