📜  jQuery | * 选择器(1)

📅  最后修改于: 2023-12-03 15:02:13.166000             🧑  作者: Mango

jQuery | * Selector

jQuery | * selector is a powerful tool for selecting elements in HTML documents using jQuery. It selects all elements in the document, including HTML, XML, and SVG documents. The selector can be used to select all elements of a certain type, all elements with a certain class, or all elements with a certain attribute.

Syntax
$("*")

The * selector selects all elements in the document.

Examples
Select all elements
$("*")

This selects all elements in the document.

Select all input elements
$("input")

This selects all input elements in the document.

Select all elements with class "my-class"
$(".my-class")

This selects all elements with class "my-class" in the document.

Select all elements with attribute "data-*"
$("[data-*]")

This selects all elements with attribute "data-*" in the document.

Select all elements with attribute "data-my-attribute"
$("[data-my-attribute]")

This selects all elements with attribute "data-my-attribute" in the document.

Conclusion

jQuery | * selector is a useful tool for selecting all elements in a document, as well as selecting specific elements based on their type, class, or attribute. With this selector, programmers can easily manipulate and modify the elements in an HTML document, making it a powerful tool for web development.