简体中文(ZH-CN) English(EN) 繁体中文(ZH-TW) 日本語(JA) 한국어(KO) Melayu(MS) Français(FR) Deutsch(DE)
Home> Web Front-end> JS Tutorial> body text

基于jquery实现即时检查格式是否正确的表单_jquery

WBOY
Release： 2016-05-16 15:01:56
Original
1803 people have browsed it

现在很多网站的注册模块都可以实现即时检查格式是否正确，这样极大的增强了用户体验，对开发非常有利。

下面的代码是利用jquery实现了对一个表单字段格式的即时检查（包括字段长度、邮箱格式），同时在提交时，再次出发检查事件。

注意这个检查是keyup和focus上为主，利用这两个事件来触发blur（失去焦点）事件。
Copy after login

更多内容点击：jquery表单验证大全

以上就是本文的全部内容，希望对大家学习jquery程序设计有所帮助。

Related labels：
jquery form
source：php.cn
Previous article：jquery自定义插件开发之window的实现过程_jquery Next article：JavaScript编写检测用户所使用的浏览器的代码示例_javascript技巧
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Latest Issues
Steps to install jQuery in Nuxt.js Although I try to add jQuery in my project, I get an error saying it's not defined. plugin...
From 2023-11-06 16:41:50
0
1
225
jQuery getting wrong value when getting data attribute I have a div with data attribute
I have...
From 2023-11-01 23:01:19
0
1
209
Support jQuery's Transfer-Encoding:chunked I'm a web developer. In my script I use header() to set "Transfer-Encoding:chunked&qu...
From 2023-10-25 23:44:37
0
1
230
How to get the natural dimensions of an image using JavaScript or jQuery? So far I have this code: varimg=document.getElementById('draggable'); varwidth=img.clientW...
From 2023-10-21 13:53:08
0
2
275
Automatically expand text area I'm trying to make a simple auto-expanding text area. This is my code: textarea.onkeyup=fu...
From 2023-10-21 08:49:23
0
2
225
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn：Public welfare online PHP training，Help PHP learners grow quickly！