Simple js Code Implementation select level-2 linkage drop-down menu _ javascript tips-js tutorial

This is a simple and basic example of drop-down box linkage. This example is mainly for those with only two levels of linkage and the first level is a fixed option. The second level content is also relatively simple, do not refresh the linkage. Interested friends can refer to the examples in this article to share with you the select Level 2 linkage drop-down menu for js implementation for your reference. The details are as follows:

<% @ Page language = "java" import = "java. util. * "pageEncoding =" UTF-8 "%> <% String path = request. getContextPath (); String basePath = request. getScheme () + ": //" + request. getServerName () + ":" + request. getServerPort () + path + "/"; %>  New Document