What is the use of jQuery traversal? Implementation of jQuery traversal

The content of this article is to introduce what is the use of jQuery traversal? Implementation of jQuery traversal. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

With jQuery traversal, you can start from the selected (current) element and easily move up (ancestors), down (descendants), and horizontally (siblings) in the family tree. This movement is called traversing the DOM. [Recommended related video tutorials:jQuery Tutorial]

1. Traverse the DOM tree upwards to find the ancestors of elements

Use: parent() method , parents() method, parentsUntil() method

       
  parent
 parents
 parentsUntil
 
 
 
 
 
 
  

2. Traverse the DOM downwards Tree, find the descendants of elements

Use: children() method, find() method.

      
  children
 children_class1
 findp
 find*
 
 
 
 
 
 
 
 
 
 
  

3. Traverse the sibling elements of the element:

Utilize: siblings() method, next() method, nextAll() method, nextUntil() method.

       
  siblings
 next
 nextAll
 nextUntil
 
 
 
 
 
 
 
 
Hello
 
 
 
  

4. Filtering method: based on its presence in a set of elements Position to select a specific element

Use: first() method, last() method, eq() method, filter() method, not() method

       
  first last eq filter not 
 
 
 
 
 
 
 
Hello
 
 
 
  

Summary: The above is the entire content of this article, I hope it will be helpful to everyone's study.

The above is the detailed content of What is the use of jQuery traversal? Implementation of jQuery traversal. For more information, please follow other related articles on the PHP Chinese website!