JQuery () method Usage Analysis in jQuery _ jquery-js tutorial

This article mainly introduces the usage of the jQuery () method in jQuery, and analyzes the four common syntax structures and usage techniques of the jQuery () method in detail in the form of examples, it has some reference value. If you need it, you can refer to the following example to describe jQuery () method usage in jQuery. Share it with you for your reference. The details are as follows:

JQuery () method definition and usage:
This method accepts a set of selectors used to match the corresponding elements. For example:

The Code is as follows:

JQuery ("p ")

In practical applications, $ is generally used to define jQuery. In fact, $ is short for jQuery. For example, $ ("li") can be written as jQuery ("li ").
JQuery's core functions are implemented through this method, or in some way. The following describes the usage of the next method in detail.
Syntax structure 1:
When the jQuery () method does not have any parameters, an empty jQuery object is returned.

The Code is as follows:

JQuery ()

Instance code:

The Code is as follows:

JQuery () function-script house