I have developed a web page using flask and HTML to send email, I need to show a progress bar unless I get a 200 status code for POST.
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check [here](https://stackoverflow.com/help/how-to-ask) for start and learn how to ask good questions and edit yours if you need more help – Espoir Murhabazi Sep 09 '17 at 07:04
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Please go through this answer: You can use ajax call as explained in this answer

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