How do I bypass popup blockers in OAuth authentication flows?

Handle Browser Popup Blockers in OAuth Authentication Flows

Question:
I'm encountering issues with popup blockers preventing the display of OAuth authentication windows in my JavaScript-based authentication flow. How can I bypass these blockers and ensure the popup windows are shown?

Answer:

To prevent popup blockers from interfering with OAuth authentication windows, it's crucial to adhere to the principle that pop-up blockers are triggered when windows are opened via JavaScript without direct user interaction. For example, opening a window in response to a button click will bypass the blocker, whereas invoking it from a timer event will cause it to be blocked. Additionally, the depth of the call chain can also affect popup blocking. Some older browsers only consider the immediate caller, while newer browsers may track deeper to determine if user interaction triggered the initial call. To avoid blocking, keep the call chain as shallow as possible. By adhering to these principles, you can ensure the proper display of OAuth authentication windows in your JavaScript applications.

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