Web Front-end
JS Tutorial
jQuery implements multi-level linkage drop-down list query box_jquery
jQuery implements multi-level linkage drop-down list query box_jquery
This article introduces the detailed code of jQuery to implement multi-level linkage drop-down list query box. It is shared with everyone for your reference. The specific content is as follows
Rendering:
Specific code:
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title></title>
<meta name="keywords" content=" keywords" />
<meta name="description" content="description" />
</head>
<script src="http://upcdn.b0.upaiyun.com/libs/jquery/jquery-2.0.2.min.js">
</script>
<style type="text/css">
body{font-size:13px}
.clsInit{width:435px;height::35px;line-height:35px;padding-left:10px}
.clsTip{padding-top:5px;background-color:#eee;display:none}
.btn{border:solid 1px #666;padding:2px;width:65px;float:right;margin-top:6px;margin-right:6px;filter:progid:DXImageTransform.Mcrosoft.Gradient(GraientType=0,StartColorStr=#FFFFFF,EndColorStr=#ECE9D8);}
</style>
<body>
<script type="text/javascript">
$(function(){
function objInit(obj){
return $(obj).html('<option>请选择</option>');
}
var arrData={
厂商1:
{
品牌一:'型号1-1-1,型号1-1-2',
品牌二:'型号1-2-1,型号1-2-2'
},
厂商2:
{
品牌一:'型号2-1-1,型号2-1-2',
品牌二:'型号2-2-1,型号2-2-2'},
厂商3:
{
品牌一:'型号3-1-1,型号3-1-2',
品牌二:'型号3-2-1,型号3-2-2'
}
};
$.each(arrData,function(pF){
$('#selF').append('<option>'+pF+'</option>');
});
$('#selF').change(function(){
objInit('#selT');
objInit('#selC');
$.each(arrData,function(pF,pS){
if($('#selF option:selected').text()==pF){
$.each(pS,function(pT,pC){
$('#selT').append('<option>'+pT+'</option>');
});
$('#selT').change(function(){
objInit('#selC');
$.each(pS,function(pT,pC){
if($('#selT option:selected').text()==pT){
$.each(pC.split(","),function(){
$('#selC').append('<option>'+this+'</option>');
})
}
})
});
}
})
});
});
</script>
<div class="clsInit">
厂商：<select id="selF"><option>请选择</option></select>
品牌：<select id="selT"><option>请选择</option></select>
型号：<select id="selC"><option>请选择</option></select>
<input type="button" value="查询" id="Button1" class="btn" />
</div>
<div class="clsInit" id="divTip"></div>
</body>
</html>
I hope this article will be helpful to everyone learning jquery programming.
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
1389
52
12306 How to check historical ticket purchase records How to check historical ticket purchase records
Mar 28, 2024 pm 03:11 PM
Download the latest version of 12306 ticket booking app. It is a travel ticket purchasing software that everyone is very satisfied with. It is very convenient to go wherever you want. There are many ticket sources provided in the software. You only need to pass real-name authentication to purchase tickets online. All users You can easily buy travel tickets and air tickets and enjoy different discounts. You can also start booking reservations in advance to grab tickets. You can book hotels or special car transfers. With it, you can go where you want to go and buy tickets with one click. Traveling is simpler and more convenient, making everyone's travel experience more comfortable. Now the editor details it online Provides 12306 users with a way to view historical ticket purchase records. 1. Open Railway 12306, click My in the lower right corner, and click My Order 2. Click Paid on the order page. 3. On the paid page
How to check your academic qualifications on Xuexin.com
Mar 28, 2024 pm 04:31 PM
How to check my academic qualifications on Xuexin.com? You can check your academic qualifications on Xuexin.com, but many users don’t know how to check their academic qualifications on Xuexin.com. Next, the editor brings you a graphic tutorial on how to check your academic qualifications on Xuexin.com. Interested users come and take a look! Xuexin.com usage tutorial: How to check your academic qualifications on Xuexin.com 1. Xuexin.com entrance: https://www.chsi.com.cn/ 2. Website query: Step 1: Click on the Xuexin.com address above to enter the homepage Click [Education Query]; Step 2: On the latest webpage, click [Query] as shown by the arrow in the figure below; Step 3: Then click [Login Academic Credit File] on the new page; Step 4: On the login page Enter the information and click [Login];
Comparison of similarities and differences between MySQL and PL/SQL
Mar 16, 2024 am 11:15 AM
MySQL and PL/SQL are two different database management systems, representing the characteristics of relational databases and procedural languages respectively. This article will compare the similarities and differences between MySQL and PL/SQL, with specific code examples to illustrate. MySQL is a popular relational database management system that uses Structured Query Language (SQL) to manage and operate databases. PL/SQL is a procedural language unique to Oracle database and is used to write database objects such as stored procedures, triggers and functions. same
How to check the activation date on Apple mobile phone
Mar 08, 2024 pm 04:07 PM
If you want to check the activation date using an Apple mobile phone, the best way is to check it through the serial number in the mobile phone. You can also check it by visiting Apple's official website, connecting it to a computer, and downloading third-party software to check it. How to check the activation date of Apple mobile phone Answer: Serial number query, Apple official website query, computer query, third-party software query 1. The best way for users is to know the serial number of their mobile phone. You can see the serial number by opening Settings, General, About This Machine. . 2. Using the serial number, you can not only know the activation date of your mobile phone, but also check the mobile phone version, mobile phone origin, mobile phone factory date, etc. 3. Users visit Apple's official website to find technical support, find the service and repair column at the bottom of the page, and check the iPhone activation information there. 4. User
How to use Oracle to query whether a table is locked?
Mar 06, 2024 am 11:54 AM
Title: How to use Oracle to query whether a table is locked? In Oracle database, table lock means that when a transaction is performing a write operation on the table, other transactions will be blocked when they want to perform write operations on the table or make structural changes to the table (such as adding columns, deleting rows, etc.). In the actual development process, we often need to query whether the table is locked in order to better troubleshoot and deal with related problems. This article will introduce how to use Oracle statements to query whether a table is locked, and give specific code examples. To check whether the table is locked, we
Discuz database location query skills sharing
Mar 10, 2024 pm 01:36 PM
Forum is one of the most common website forms on the Internet. It provides users with a platform to share information, exchange and discuss. Discuz is a commonly used forum program, and I believe many webmasters are already very familiar with it. During the development and management of the Discuz forum, it is often necessary to query the data in the database for analysis or processing. In this article, we will share some tips for querying the location of the Discuz database and provide specific code examples. First, we need to understand the database structure of Discuz
How to check the latest BitTorrent coin price?
Mar 06, 2024 pm 02:13 PM
Check the latest price of BitTorrent Coin (BTT) BTT is a cryptocurrency on the TRON blockchain that is used to reward BitTorrent network users for sharing and downloading files. Here's how to find the latest price for BTT: Choose a reliable price check website or app. Some commonly used price query websites include: CoinMarketCap: https://coinmarketcap.com/Coindesk: https://www.coindesk.com/Binance: https://www.binance.com/ Search on the website or app BTT. Check out the latest prices for BTT. Note: Cryptocurrency Prices
Summary of commonly used file operation functions in PHP
Apr 03, 2024 pm 02:52 PM
目录1：basename()2：copy()3：dirname()4：disk_free_space()5：disk_total_space()6：file_exists()7：file_get_contents()8：file_put_contents()9：filesize()10：filetype()11：glob()12：is_dir()13：is_writable()14：mkdir()15：move_uploaded_file()16：parse_ini_file()17：
