How to submit data from a contact form with a single JavaScript?

Question

JavaScript

Given:
Landing on HTML hosting (without PHP).
Task:
Using JavaScript + third-party service - send 2 fields from the feedback form:
- username,
- user phone number.
Sending always to the same e-mail.
Please tell me which service is best suited for this task.
Pluses in the selection - simplicity, free, Russian-speaking (preferably, again, for ease of understanding, and possibly for communication with technical support).

Answer 1

Apparently I will raise a sour topic, but to send form data to the mail, you can use a simple one like a match https://formspree.io/

Answer 2

Learn English - and there will be no problems when choosing a service.
And if on the topic, then - Firebase Cloud Messaging. Supports everything from Web to Android. Simply .stylish, fashionable. youth!
Help - https://firebase.google.com/docs/cloud-messaging/j...