JavaScript allows you to delete nodes and recreate instances with serial numbers. javascript nodes

JavaScript allows you to delete nodes and recreate instances with serial numbers. javascript nodes

This example describes how to delete a node and reconstruct its serial number using JavaScript. Share it with you for your reference. The details are as follows:

This example shows how to delete and reconstruct a JavaScript node. After deleting a node, the node is automatically re-created and the sequence number is automatically arranged. For example, after deleting the current 3rd data entries, the number of the first 4th entries is intelligently changed to 3, and so on, to ensure that the number is not messy.

Shows the running effect:

Before deletion:

After deletion:

The Code is as follows:

<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
I hope this article will help you design javascript programs.