如何使用jQuery验证电子邮件?
要使用jQuery验证电子邮件,请使用正则表达式模式。您可以尝试运行以下代码,以了解如何使用jQuery验证电子邮件-
示例
<!DOCTYPE html> <html> <head> <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script> <script> $(document).ready(function() { $('.error').hide(); $('#submit').click(function(){ var name = $('#name').val(); var email = $('#email').val(); if(name== ''){ $('#name').next().show(); return false; } if(email== ''){ $('#email').next().show(); return false; } if(IsEmail(email)==false){ $('#invalid_email').show(); return false; } $.post("", $("#myform").serialize(), function(response) { $('#myform').fadeOut('slow',function(){ $('#correct').html(response); $('#correct').fadeIn('slow'); }); }); return false; }); }); function IsEmail(email) { var regex = /^([a-zA-Z0-9_\.\-\+])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/; if(!regex.test(email)) { return false; }else{ return true; } } </script> </head> <body> <form action="" method="post" id="contactform"> <table class="mytable"> <tr> <td><label for="name">Name :</label></td> <td class="name"> <input name="name" id="name" type="text" placeholder="Please enter your name" class="contact-input"><span class="error">Enter your name here</span></td> </tr> <tr> <td><label for="email">Email :</label></td> <td class="email"><input name="email" id="email" type="text" placeholder="Please enter your email" class="contact-input"><span class="error">Enter your email-id here</span> <span class="error" id="invalid_email">Email-id is invalid</span> </td> </td> </tr> <tr> <input type="submit" class="contactform-buttons" id="submit"value="Send" /> <input type="reset" class="contactform-buttons" id="" value="Clear" /> </tr> </tr> </table> </form> <div id="correct" style="color:gray;"></div> </body> </html>