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<!DOCTYPE html> <html lang="en"> <head> <title>HTML5 Tel Input Type</title> <script> function getValue() { var phone = document.getElementById("myphone").value; alert(phone); } </script> </head> <body> <form> <label for="myphone">Telephone Number:</label> <input type="tel" id="myphone" placeholder="xx-xxxx-xxxx" required> <button type="button" onclick="getValue();">Get Value</button> </form> </body> </html>