一.表单控件之表单 1.依次获取表单里的所有控件: for (i = 0; i < document.getElementById("formName").length; i++) { var ob = document.getElementById(formName).elements[i]; if(ob.value=='') //...... } 2.获取某个控件: document.getElementById("formName").elements[
jsp中具体实现的代码: <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd&