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<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Input Type tel</title> </head> <body> <h2>Input Type Tel</h2> <form> <label for="telephone">Enter Phone Number:</label> <input type="tel" id="telephone" placeholder="12-1234-4321" required> <button type="button" onclick="getTelephone();">Get value</button> </form> <p id="telephone_result"> <!-- Here Will Appear Your telephone number! --> </p> <script> function getTelephone() { var phone_num = document.getElementById("telephone").value; document.getElementById("telephone_result").innerHTML = "Telephone number is: " + phone_num; } </script> </body> </html>