Web Front-end
JS Tutorial
JavaScript dynamically changes HTML page elements such as adding or removing
JavaScript dynamically changes HTML page elements such as adding or removing
This article mainly introduces JavaScript to dynamically change HTML page elements such as adding or deleting. It has a certain reference value. Now I share it with you. Friends in need can refer to it.
HTML page elements can be passed through js changes dynamically, for example, you can add elements to HTML or delete an element. The following is the sample code. Friends who are interested should not miss it
You can dynamically change elements in HTML through JavaScript
Add elements to HTML
First you need to create a tag, then add the corresponding content to the tag, and then add the created tag to the corresponding location.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>测试文档</title>
<script type="text/javascript">
function add(){
var element = document.createElement("p");
var node = document.createTextNode("添加新段落");
element.appendChild(node);
x = document.getElementById("demo");
x.appendChild(element);
}
</script>
</head>
<body>
<p id="demo">
<p>这是第一段</p>
</p>
<input type="button" value="按钮" onclick="add()" />
</body>
</html>Delete an element in HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>测试文档</title>
<script type="text/javascript">
function deleteE(){
var father = document.getElementById("demo");
var child = document.getElementById("p1");
father.removeChild(child);
}
</script>
</head>
<body>
<p id="demo">
<p id="p1">这是第一段</p>
<p id="p2">这是第二段</p>
</p>
<input type="button" value="删除" onclick="deleteE()" />
</body>
</html>Related recommendations:
How to understand and use JavaScript timing events
javaScript dynamically adds Li elements
Javascript method example summary of dynamically creating html tags
The above is the detailed content of JavaScript dynamically changes HTML page elements such as adding or removing. 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
1371
52
Table Border in HTML
Sep 04, 2024 pm 04:49 PM
Guide to Table Border in HTML. Here we discuss multiple ways for defining table-border with examples of the Table Border in HTML.
Nested Table in HTML
Sep 04, 2024 pm 04:49 PM
This is a guide to Nested Table in HTML. Here we discuss how to create a table within the table along with the respective examples.
HTML margin-left
Sep 04, 2024 pm 04:48 PM
Guide to HTML margin-left. Here we discuss a brief overview on HTML margin-left and its Examples along with its Code Implementation.
HTML Table Layout
Sep 04, 2024 pm 04:54 PM
Guide to HTML Table Layout. Here we discuss the Values of HTML Table Layout along with the examples and outputs n detail.
HTML Ordered List
Sep 04, 2024 pm 04:43 PM
Guide to the HTML Ordered List. Here we also discuss introduction of HTML Ordered list and types along with their example respectively
HTML Input Placeholder
Sep 04, 2024 pm 04:54 PM
Guide to HTML Input Placeholder. Here we discuss the Examples of HTML Input Placeholder along with the codes and outputs.
Moving Text in HTML
Sep 04, 2024 pm 04:45 PM
Guide to Moving Text in HTML. Here we discuss an introduction, how marquee tag work with syntax and examples to implement.
How do you parse and process HTML/XML in PHP?
Feb 07, 2025 am 11:57 AM
This tutorial demonstrates how to efficiently process XML documents using PHP. XML (eXtensible Markup Language) is a versatile text-based markup language designed for both human readability and machine parsing. It's commonly used for data storage an
