Master the key methods of jQuery text manipulation

Mastering the key methods of jQuery text manipulation requires specific code examples

jQuery is a popular JavaScript library that is widely used in web development. It provides many Convenient way to manipulate elements on web pages. Among them, text manipulation is one of the problems often encountered in development. This article will introduce some commonly used text manipulation methods in jQuery, including some specific code examples.

1. Get the text content

Use the .text() method to get the text content of the element. For example, the following code will get the text content of the element with the id example and print it out:

var text = $("#example").text();
console.log(text);

2. Set the text content

using . The text() method can also set the text content of the element. For example, the following code sets the text content of the element with id example to "Hello, World!":

$("#example").text("Hello, World!");

3. Get the value of the input box

For The input box can use the .val() method to obtain its value. For example, the following code will get the value of the input box with ID inputField and print it out:

var value = $("#inputField").val();
console.log(value);

4. Set the value of the input box

Similarly use .val()The method can also set the value of the input box. For example, the following code sets the value of the input box with id inputField to "Hello, World!":

$("#inputField").val("Hello, World!");

5. Insert text into the element

Use .append()The method can insert text at the end of the element. For example, the following code will insert "Hello, World!" into the element with id example:

$("#example").append("Hello, World!");

6. Replace the content of the element

with The .html() method can replace the content of an element. For example, the following code replaces the content of the element with the id example with "<b>Hello, World!", where the <b> tag will add Bold display:

$("#example").html("<b>Hello, World!</b>");

Through the above code examples, we can see that jQuery provides rich text manipulation methods, which can easily achieve the acquisition, setting, insertion and replacement of text content. In actual development, mastering these methods will greatly improve development efficiency. Hope this article helps you!

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