Web Front-end
JS Tutorial
jQuery form form validation plug-in (fieldValue) verification form_jquery
jQuery form form validation plug-in (fieldValue) verification form_jquery
JQuery form form validation related knowledge is often used in projects. In fact, it is not complicated. Here is a piece of code to introduce to you the jQuery form form validation plug-in (fieldValue) related knowledge to verify the form. If you are interested Let’s study together with friends
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>jQuery form插件的使用--使用 fieldValue 方法校验表单.</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<script src="jquery-1.3.1.js" type="text/javascript"></script>
<script src="jquery.form.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function() {
$('#myForm').ajaxForm({
target: '#output1', // 用服务器返回的数据 更新 id为output1的内容.
beforeSubmit: validate // 提交前，验证
});
});
function validate(formData, jqForm, options) {
// fieldValue 是表单插件的一个方法，它能找出表单中的元素的值，返回一个集合。
var usernameValue = $('input[name=name]').fieldValue();
var addressValue = $('input[name=address]').fieldValue();
if (!usernameValue[0] || !addressValue[0]) {
alert('用户名和地址不能为空，自我介绍可以为空！');
return false;
}
var queryString = $.param(formData); //组装数据
//alert(queryString); //类似 ： name=1&add=2
return true;
}
</script>
</head>
<body>
<h3> Demo 7 : jQuery form插件的使用--使用 fieldValue 方法校验表单. </h3>
<!-- demo1 -->
<form id="myForm" action="ajax2.jsp" method="post">
名称： <input type="text" name="name" id="name" /> <br/>
地址： <input type="text" name="address" id="address"/><br/>
自我介绍： <textarea name="comment" id="comment" ></textarea> <br/>
<input type="submit" id="test" value="提交" /> <br/>
<div id="output1" ></div>
</form>
</body>
</html>The above is the relevant content for the jQuery form form validation plug-in (fieldValue) to verify the form. I hope you like it.
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
1392
52
What should I do if I encounter garbled code printing for front-end thermal paper receipts?
Apr 04, 2025 pm 02:42 PM
Frequently Asked Questions and Solutions for Front-end Thermal Paper Ticket Printing In Front-end Development, Ticket Printing is a common requirement. However, many developers are implementing...
Who gets paid more Python or JavaScript?
Apr 04, 2025 am 12:09 AM
There is no absolute salary for Python and JavaScript developers, depending on skills and industry needs. 1. Python may be paid more in data science and machine learning. 2. JavaScript has great demand in front-end and full-stack development, and its salary is also considerable. 3. Influencing factors include experience, geographical location, company size and specific skills.
Demystifying JavaScript: What It Does and Why It Matters
Apr 09, 2025 am 12:07 AM
JavaScript is the cornerstone of modern web development, and its main functions include event-driven programming, dynamic content generation and asynchronous programming. 1) Event-driven programming allows web pages to change dynamically according to user operations. 2) Dynamic content generation allows page content to be adjusted according to conditions. 3) Asynchronous programming ensures that the user interface is not blocked. JavaScript is widely used in web interaction, single-page application and server-side development, greatly improving the flexibility of user experience and cross-platform development.
How to merge array elements with the same ID into one object using JavaScript?
Apr 04, 2025 pm 05:09 PM
How to merge array elements with the same ID into one object in JavaScript? When processing data, we often encounter the need to have the same ID...
How to achieve parallax scrolling and element animation effects, like Shiseido's official website?
or:
How can we achieve the animation effect accompanied by page scrolling like Shiseido's official website?
Apr 04, 2025 pm 05:36 PM
Discussion on the realization of parallax scrolling and element animation effects in this article will explore how to achieve similar to Shiseido official website (https://www.shiseido.co.jp/sb/wonderland/)...
The difference in console.log output result: Why are the two calls different?
Apr 04, 2025 pm 05:12 PM
In-depth discussion of the root causes of the difference in console.log output. This article will analyze the differences in the output results of console.log function in a piece of code and explain the reasons behind it. �...
Is JavaScript hard to learn?
Apr 03, 2025 am 12:20 AM
Learning JavaScript is not difficult, but it is challenging. 1) Understand basic concepts such as variables, data types, functions, etc. 2) Master asynchronous programming and implement it through event loops. 3) Use DOM operations and Promise to handle asynchronous requests. 4) Avoid common mistakes and use debugging techniques. 5) Optimize performance and follow best practices.
How to implement panel drag and drop adjustment function similar to VSCode in front-end development?
Apr 04, 2025 pm 02:06 PM
Explore the implementation of panel drag and drop adjustment function similar to VSCode in the front-end. In front-end development, how to implement VSCode similar to VSCode...
