Web Front-end
JS Tutorial
How does jQuery dynamically add and delete CSS styles? (code example)
How does jQuery dynamically add and delete CSS styles? (code example)
jQuery dynamically adds and removes CSS styles. There are two CSS style operation methods, one is to append the style addClass, and the other is to remove the style removeClass. The usage is explained through an example below.
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>jQuery动态添加删除CSS样式</title>
<script type="text/javascript" src="http://localhost/libs/jquery/2.1.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function () {
$("#btn1").click(function() {
$('#txtContent').addClass('red'); //追加样式
});
$("#btn2").click(function() {
$('#txtContent').removeClass('red'); //移除样式
});
$("#btn3").click(function() {
$('#txtContent').addClass('red weight family'); //追加多个样式
});
$("#btn4").click(function() {
$('#txtContent').removeClass('red weight'); //移除多个样式
});
$("#btn5").click(function() {
$('#txtContent').removeClass(); //移除所有样式
});
});
</script>
<style type="text/css">
.default {
font-size: 30px;
}
.red {
color: red;
}
.weight {
font-weight: bold;
}
.family {
font-family: "华文隶书"
}
</style>
</head>
<body>
<div id="txtContent">你好呀！jQuery基础知识！</div><br />
<input id="btn1" type="button" value="追加样式" />
<input id="btn2" type="button" value="移除样式" />
<input id="btn3" type="button" value="追加多个样式" />
<input id="btn4" type="button" value="移除多个样式" />
<input id="btn5" type="button" value="移除所有样式" />
</body>
</html>Recommended learning: jQuery video tutorial
The above is the detailed content of How does jQuery dynamically add and delete CSS styles? (code example). For more information, please follow other related articles on the PHP Chinese website!
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
AI Hentai Generator
Generate AI Hentai for free.
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
1378
52
How to write split lines on bootstrap
Apr 07, 2025 pm 03:12 PM
There are two ways to create a Bootstrap split line: using the tag, which creates a horizontal split line. Use the CSS border property to create custom style split lines.
How to insert pictures on bootstrap
Apr 07, 2025 pm 03:30 PM
There are several ways to insert images in Bootstrap: insert images directly, using the HTML img tag. With the Bootstrap image component, you can provide responsive images and more styles. Set the image size, use the img-fluid class to make the image adaptable. Set the border, using the img-bordered class. Set the rounded corners and use the img-rounded class. Set the shadow, use the shadow class. Resize and position the image, using CSS style. Using the background image, use the background-image CSS property.
The Roles of HTML, CSS, and JavaScript: Core Responsibilities
Apr 08, 2025 pm 07:05 PM
HTML defines the web structure, CSS is responsible for style and layout, and JavaScript gives dynamic interaction. The three perform their duties in web development and jointly build a colorful website.
How to resize bootstrap
Apr 07, 2025 pm 03:18 PM
To adjust the size of elements in Bootstrap, you can use the dimension class, which includes: adjusting width: .col-, .w-, .mw-adjust height: .h-, .min-h-, .max-h-
How to set up the framework for bootstrap
Apr 07, 2025 pm 03:27 PM
To set up the Bootstrap framework, you need to follow these steps: 1. Reference the Bootstrap file via CDN; 2. Download and host the file on your own server; 3. Include the Bootstrap file in HTML; 4. Compile Sass/Less as needed; 5. Import a custom file (optional). Once setup is complete, you can use Bootstrap's grid systems, components, and styles to create responsive websites and applications.
How to use bootstrap in vue
Apr 07, 2025 pm 11:33 PM
Using Bootstrap in Vue.js is divided into five steps: Install Bootstrap. Import Bootstrap in main.js. Use the Bootstrap component directly in the template. Optional: Custom style. Optional: Use plug-ins.
How to use bootstrap button
Apr 07, 2025 pm 03:09 PM
How to use the Bootstrap button? Introduce Bootstrap CSS to create button elements and add Bootstrap button class to add button text
How to view the date of bootstrap
Apr 07, 2025 pm 03:03 PM
Answer: You can use the date picker component of Bootstrap to view dates in the page. Steps: Introduce the Bootstrap framework. Create a date selector input box in HTML. Bootstrap will automatically add styles to the selector. Use JavaScript to get the selected date.
