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Modify the Credit Card part to check the number input based on the following condition: • American Express must start with 3 • Visa number must start with 4 • Master Card number must start with 5 • Discover number must start with 6 All card numbers must not be more than 14 and not less than 14. You can simply write the code to solve this question

Modify the Credit Card part to check the number input based on the following condition: • American Express must start with 3 • Visa number must start with 4 • Master Card number must start with 5 • Discover number must start with 6 All card numbers must not be more than 14 and not less than 14. You can simply write the code to solve this question

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Javascript Programming

<script>
function getCardType() {
var cNum1 = document.getElementById("ccNum1").value;
var cardname = "";
if (cNum1 != "") {
if (cNum1.startsWith("4")) {
cardname = "Visa";
} else if (cNum1.startsWith("5")) {
cardname = "MasterCard";
} else if (cNum1.startsWith("6")) {
cardname = "Discover";
} else if (cNum1.startsWith("3")) {
cardname = "American Express";
}
}
document.getElementById("cardType").innerHTML = cardname;
}
</script>
</body>

Modify the Credit Card part to check the number input based on the following condition: • American Express must start with 3 • Visa number must start with 4 • Master Card number must start with 5 • Discover number must start with 6 All card numbers must not be more than 14 and not less than 14. You can simply write the code to solve this question
Transcribed Image Text:Modify the Credit Card part to check the number input based on the following condition: • American Express must start with 3 • Visa number must start with 4 • Master Card number must start with 5 • Discover number must start with 6 All card numbers must not be more than 14 and not less than 14. You can simply write the code to solve this question
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