jQuery Tip: Insert content inside div element

In web development, using jQuery is very common. jQuery is a lightweight, fast and feature-rich JavaScript library that simplifies the operation of JavaScript and provides many convenient and practical methods and functions. In the actual development process, we often encounter situations where we need to dynamically add elements to an HTML element. This article will introduce some practical jQuery methods to help you add elements to a div, and provide specific code examples.

First, you need to ensure that the jQuery library is introduced into the project. Add the following code to the HTML file:

<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>

Next, we will add elements to a div through several different methods to demonstrate their usage.

Method 1: Use the append() method

// 创建一个新的元素
var newElement = $("<p>New element added using append()</p>");
// 将新元素添加到id为container的div中
$("#container").append(newElement);

In the above code, a new p element is first created, and then the new element is added to the id with the id using the append() method. in the div of the container.

Method 2: Use the appendTo() method

// 创建一个新的元素
var newElement = $("<p>New element added using appendTo()</p>");
// 将新元素添加到id为container的div中
newElement.appendTo("#container");

Using the appendTo() method can also add elements to a div, but the method of calling the method is different.

Method 3: Use the html() method

// 创建要添加的HTML内容
var newHTML = "<p>New element added using html()</p>";
// 将HTML内容添加到id为container的div中
$("#container").html(newHTML);

The html() method can be used to set the HTML content of the specified element, which can be an HTML string or an existing element. Here we directly pass in the HTML content to be added.

Method 4: Use the prepend() method

// 创建一个新的元素
var newElement = $("<p>New element added using prepend()</p>");
// 将新元素添加到id为container的div中的开头
$("#container").prepend(newElement);

The usage of the prepend() method is similar to append(), except that it will add the element to the beginning of the specified element.

Method 5: Use the before() method

// 创建一个新的元素
var newElement = $("<p>New element added using before()</p>");
// 将新元素添加到id为container之前
$("#container").before(newElement);

Use the before() method to add a new element before the specified element.

These are some commonly used jQuery methods for adding elements to divs. You can choose the appropriate method to operate page elements according to actual needs. The powerful functions of jQuery can help simplify code and improve development efficiency. I hope these examples can help you better use jQuery to process page elements.

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