Is it possible for a Javascript code to execute multiple tasks upon being inserted into the browser's URL bar?

Is it feasible for JavaScript to simulate a user clicking on a link, triggering a pop-up, automatically clicking a button within the pop-up, and then redirecting the user to a final page once a specific code is copied and pasted into the browser's address bar?

Answer №1

Only when all pages are sourced from the same origin server can code be injected into the initial page to open a popup, interact with it, and wait for it to load.

If any of the pages come from a different server, interaction is blocked due to the same origin policy enforced by the javascript engine. The only way to bypass this restriction is to operate within the browser as part of a plugin (a bookmarklet (whether as a bookmark or copied+pasted into the address bar)).``

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