How to add elements to body in jquery-Front-end Q&A-php.cn

Home

Web Front-end

Front-end Q&A

How to add elements to body in jquery

青灯夜游

Apr 22, 2022 am 11:13 AM

jquery

Methods to add elements: 1. Use append(), the syntax "$("body").append(new element)" to add elements to the end of the body; 2. Use prepend() , the syntax "$("body").prepend(new element)" can add elements to the beginning of the body.

How to add elements to body in jquery

The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.

Adding elements to the body means adding sub-elements to the body. The following article will introduce to you two methods of adding child elements to the body using jquery.

Method 1: Use append()

Use prepend() method to insert content (element or text) to the "beginning" inside the body element

Syntax:

$("body").append(新元素)

Example:

<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<script src="js/jquery-1.10.2.min.js"></script>
		<script>
			$(function() {
				$("button").click(function() {
					var newp = "<p>一个新段落</p>";
					$("body").append(newp);
				})
			})
		</script>
	</head>
	<body style="background-color: #FF0000;">
		<button>（body元素）在body中增加元素</button>
	</body>
</html>

How to add elements to body in jquery

Method 2: Use prepend()

Use the prepend() method to insert content to the "beginning" inside the selected element.

Grammar:

$("body").prepend(新元素)

Example:

<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<script ></script>
		<script>
			$(function() {
				$("button").click(function() {
					var newp = "<p>一个新段落</p>";
					$("body").prepend(newp);
				})
			})
		</script>
	</head>
	<body style="background-color: #FF0000;">
		<button>（body元素）在body中增加元素</button>
	</body>
</html>

How to add elements to body in jquery

[Recommended learning: jQuery video tutorial, web front-end video】

The above is the detailed content of How to add elements to body in jquery. For more information, please follow other related articles on the PHP Chinese website!

Statement

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

How to Use useState() Hook in Functional React ComponentsApr 30, 2025 am 12:25 AM

useState allows state to be added in function components because it removes obstacles between class components and function components, making the latter equally powerful. The steps to using useState include: 1) importing the useState hook, 2) initializing the state, 3) using the state and updating the function.

React's View-Focused Nature: Managing Complex Application StateApr 30, 2025 am 12:25 AM

React's view focus manages complex application state by introducing additional tools and patterns. 1) React itself does not handle state management, and focuses on mapping states to views. 2) Complex applications need to use Redux, MobX, or ContextAPI to decouple states, making management more structured and predictable.

Integrating React with Other Libraries and FrameworksApr 30, 2025 am 12:24 AM

IntegratingReactwithotherlibrariesandframeworkscanenhanceapplicationcapabilitiesbyleveragingdifferenttools'strengths.BenefitsincludestreamlinedstatemanagementwithReduxandrobustbackendintegrationwithDjango,butchallengesinvolveincreasedcomplexity,perfo

Accessibility Considerations with React: Building Inclusive UIsApr 30, 2025 am 12:21 AM

TomakeReactapplicationsmoreaccessible,followthesesteps:1)UsesemanticHTMLelementsinJSXforbetternavigationandSEO.2)Implementfocusmanagementforkeyboardusers,especiallyinmodals.3)UtilizeReacthookslikeuseEffecttomanagedynamiccontentchangesandARIAliveregio

SEO Challenges with React: Addressing Client-Side Rendering IssuesApr 30, 2025 am 12:19 AM

SEO for React applications can be solved by the following methods: 1. Implement server-side rendering (SSR), such as using Next.js; 2. Use dynamic rendering, such as pre-rendering pages through Prerender.io or Puppeteer; 3. Optimize application performance and use Lighthouse for performance auditing.

The Benefits of React's Strong Community and EcosystemApr 29, 2025 am 12:46 AM

React'sstrongcommunityandecosystemoffernumerousbenefits:1)ImmediateaccesstosolutionsthroughplatformslikeStackOverflowandGitHub;2)Awealthoflibrariesandtools,suchasUIcomponentlibrarieslikeChakraUI,thatenhancedevelopmentefficiency;3)Diversestatemanageme

React Native for Mobile Development: Building Cross-Platform AppsApr 29, 2025 am 12:43 AM

ReactNativeischosenformobiledevelopmentbecauseitallowsdeveloperstowritecodeonceanddeployitonmultipleplatforms,reducingdevelopmenttimeandcosts.Itoffersnear-nativeperformance,athrivingcommunity,andleveragesexistingwebdevelopmentskills.KeytomasteringRea

Updating State Correctly with useState() in ReactApr 29, 2025 am 12:42 AM

Correct update of useState() state in React requires understanding the details of state management. 1) Use functional updates to handle asynchronous updates. 2) Create a new state object or array to avoid directly modifying the state. 3) Use a single state object to manage complex forms. 4) Use anti-shake technology to optimize performance. These methods can help developers avoid common problems and write more robust React applications.

See all articles