The usage of jQuery's next () function

The usage of jQuery's next () function

The usage of jQuery's next () function is described as follows:
This function has a large number of applications in the Code. Next we will introduce the usage of this function in combination with examples.
It can obtain a set of elements that match the peer element next to each element in the element set.
In the above concepts, pay special attention to the following points:
1. "adjacent", that is to say, the retrieved element must be adjacent to the matching element, and there cannot be other element intervals in the middle.
2. "peer", that is to say, the retrieved element and matching must be the same level element.
3. "after", that is, I indicates that the obtained element must be behind the matching element.
Syntax structure:

$(selector).next(expr)

Parameter List:

Parameters	Description
Expr	Optional. Filter expression.

Instance code:

<! DOCTYPE html> 
The above Code sets the font color of the Peer elements next to all p elements to blue.
<! DOCTYPE html> 
The above Code sets the font diffraction of the span element next to the p element to blue.
<! DOCTYPE html> 
The above code implements a level-2 menu with the next () function callback application.
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