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Something I learn worthful from Challenges.
<a href="tel:1234">Call 24*7</a> I learned html but never hear about this type. Playing Challenges is better for increasing our knowledge.
2 Respostas
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tel: refers to telecom protocall
which wil dial 1234 in this case or on smartphone it will open dialer app
you can also use
mailto:
this protocall is used to send mail
on smartphones it'll open mail related apps
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ya i know about mail in starting