Validate Email with JavaScript.pdf
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It is about Validate Email with JavaScript. Email validation is mandatory for email marketing and any sort of advertisement.
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Validate Email with JavaScript.pdf
- 1. Validate Email with JavaScript
- 2. Validate an Email address is very important. This validation can be performed in many computer languages but today we are going to Validate Email with JavaScript.
- 3. What is JavaScript ? Javascript is a scripting computer language and its abbreviation is JS. It is used to develop complex web applications However it is always used with CSS and HTML. It is different from the Java computer language.
- 4. Why Validate Email Address In today’s world, most of the important communication is done through Email addresses. Collecting email addresses is not only important but it becomes essential when it comes to Email Marketing. Therefore validating the email address
- 5. Structure of Email Address Consider this email address as a sample ContactUs@EmailConcern.com. It is a valid email address. Now it consists of 3 parts Before @ :: It consists of the name of the email address. This part consists of letters (capital as well as small), numbers, and special characters. After @ :: It consists of a domain name so here you can use (capital as well as small), numbers, and special characters. After dot :: It defines the type of the domain like com, org, etc. In this part, only letters (capital as well as small), numbers, and dot(optional) can appear.
- 6. Validate Email with JavaScript To validate the Email with Javascript I use the following code. <!DOCTYPE html> <html> <body> <h1>Validate Email with JavaScript</h1> <input id="EmailAddress"> <button type="button" onclick="VALIDATE_EMAIL_ADDRESS()">Submit</button> <h2 id="Result" style="color: Green;"></h2> <script> function VALIDATE_EMAIL_ADDRESS() { var email; email = document.getElementById("EmailAddress").value; var reg = /^([A-Za-z0-9_-.])+@([A-Za-z0-9_-.])+.([A-Za-z]{2,4})$/;
- 7. Validate Email with JavaScript if (reg.test(EmailAddress.value) == false) { document.getElementById("Result").style.color = "red"; document.getElementById("Result").innerHTML ="Invalid EMail Address "+ email; return false; } else { document.getElementById("Result").style.color = "Green"; document.getElementById("Result").innerHTML ="Valid Email Address"+email; } return true; } </script>
- 8. To test the above mention code I used W3School JavaScript online editor. In this editor just paste the code into the editor and press the Run button.
- 11. Conclusion In order to collect valid email addresses, this validation is mandatory. You cannot skip this step. It not only makes things easy for you but also ensures data integrity.