Implement popup and redirect in JavaScript

Q: Implement popup and redirect in JavaScript

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Question

You are working in a browser environment and must use vanilla JavaScript only (no external libraries).

Task

Implement a function showPopupAndRedirect(message, targetUrl) that does the following:

Immediately shows a popup dialog to the user displaying the given message .
After the user closes the popup, the current page should redirect to targetUrl .

Requirements

The popup must be created using only built-in browser APIs (for example, alert , confirm , or a custom DOM-based modal that you implement yourself).
The redirect must be done using standard browser navigation (e.g., assigning to window.location or a similar mechanism).
If targetUrl is not a non-empty string, the function should not attempt to redirect.
Assume this code runs in a modern browser with JavaScript enabled.

You do not need to handle errors beyond the simple validation of targetUrl described above.

Describe the implementation and then provide the JavaScript code for showPopupAndRedirect.

Implement popup and redirect in JavaScript

Task

Requirements

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