<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>jQuery validation</title> <link rel="stylesheet" href="https://jqueryvalidation.org/files/demo/site-demos.css"> </head> <body> <form id="myForm" method="get" action="http://www.bymyside.online"> <label style="float:left;" for="email">Email:</label> <input type="email" style="float:left;" id="email" name="email1"><br> <label style="float:left;" for="name">Name:</label> <input type="text" style="float:left;" id="name" name="name"><br> <input type="submit" name="提交"> </form> <script src="./lib/jquery.js"></script> <script src="./dist/jquery.validate.js"></script> <script src="./dist/additional-methods.js"></script> <script src="./src/localization/messages_zh.js"></script> <script> jQuery.validator.setDefaults({ debug: true, success: "valid" }); $( "#myForm" ).validate({ rules: { // debug: true, // ignore: '#email', email: { required: true, email: true, remote: { url: "http://www.bymyside.online", type: "get", data: { username: function(){ return 12; } } } }, name: { required: true, step: 10 } } }); </script> </body> </html>