Describes how to add and delete elements to and from the select drop-down list using JavaScript.

This article mainly introduces how to add and delete elements to and from the select drop-down box using JavaScript. It involves techniques related to the dynamic operation of form elements using the append () and remove () methods in jQuery, for more information about how to add and delete elements to and from the select drop-down list using JavaScript, see the following article: append () and remove () in jQuery () methods related techniques for dynamic operation of form elements. For more information, see

This example describes how to add and delete elements to and from the select drop-down list using JavaScript. We will share this with you for your reference. The details are as follows:

1. Description

A. Exploitationappend()Method to add an element to the drop-down list

B. Exploitationremove()Method to remove the last element from the drop-down list

2. instance source code:

 JavaScript adds and deletes elements to the select drop-down list