How to send email from html?

I want to realize the e-mail verification for the social network.
But not clear about the code below:
what does the '$' and the '#' mean? and the method 'submit()?

<a href="#" onclick="$
('#send_{{ forloop.counter }}').submit();">{% trans "re-send
verification e-mail" %}</a>

I want that after clicking the button 'Verify', it should send out an
e-mail. However, I have copied the apps account and emailverfication
to my project. but it doesn't work. I need help please.

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