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HTML, CSS and jQuery: Build a beautiful login and registration interface
As web developers, we often need to build user login and registration interfaces. A beautiful, user-friendly login and registration interface is crucial to improving user experience and website image. In this article, we will use HTML, CSS and jQuery to build a beautiful login registration interface and provide specific code examples.
First, we need to create an HTML document and define two forms for login and registration. We can build these two forms using form elements and some input fields. The following is a simple example:
<!DOCTYPE html> <html> <head> <link rel="stylesheet" href="style.css"> </head> <body> <div class="container"> <h1>Login</h1> <form id="loginForm"> <input type="text" placeholder="Username"> <input type="password" placeholder="Password"> <button type="submit">Login</button> </form> <h1>Register</h1> <form id="registerForm"> <input type="text" placeholder="Username"> <input type="password" placeholder="Password"> <input type="password" placeholder="Confirm Password"> <button type="submit">Register</button> </form> </div> <script src="jquery.min.js"></script> <script src="script.js"></script> </body> </html>
Next, we create a CSS file to beautify our login registration interface. We can use CSS to define style, layout and animation effects. Here is a simple example:
.container { width: 400px; margin: 0 auto; text-align: center; } form { margin-top: 20px; } h1 { margin-bottom: 10px; } button { padding: 10px 20px; background-color: #4CAF50; color: white; border: none; cursor: pointer; } button:hover { opacity: 0.8; } input { margin-bottom: 10px; padding: 10px; width: 100%; }
Now, we need to use jQuery to add some interactive effects and validation functionality. We can use jQuery's event handlers and selectors to achieve these functions. The following is a simple example:
$(document).ready(function() { $("#loginForm").submit(function(e) { e.preventDefault(); // 阻止表单提交的默认行为 // 获取输入的用户名和密码 var username = $("#loginForm input[type='text']").val(); var password = $("#loginForm input[type='password']").val(); // 在这里添加登录验证的逻辑 // ... // 清空输入字段 $("#loginForm input").val(""); }); $("#registerForm").submit(function(e) { e.preventDefault(); // 阻止表单提交的默认行为 // 获取输入的用户名、密码和确认密码 var username = $("#registerForm input[type='text']").val(); var password = $("#registerForm input[type='password']").val(); var confirmPassword = $("#registerForm input[type='password']:last").val(); // 在这里添加注册验证的逻辑 // ... // 清空输入字段 $("#registerForm input").val(""); }); });
In the above code, we use the submit() event and preventDefault() method to prevent the form's default submission behavior. Then, we use the selector and val() method to get the input value in the form. Next, we can add validation logic and other custom functionality to these two event handlers.
Finally, we need to bring in jQuery and our CSS file and add the corresponding link in the HTML. We can introduce jQuery by downloading the jQuery library from the jQuery official website and saving it in the project.
With the above code examples of HTML, CSS and jQuery, we can build a beautiful, user-friendly login and registration interface, and add interactive effects and verification functions. This will provide users with a good experience while also improving the image and usability of the website.
It should be noted that the above example is just a simple beginning and you can expand and customize it according to your own needs. I hope this article will help you build a beautiful login and registration interface!
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