动态添加下拉列表
<%@ page language="java" contentType="text/html; charset=GBK" pageEncoding="GBK"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=GBK"><title>Insert title here</title><script type="text/javascript" language="javascript"> //动态添加select 下拉框 (1)function changeSel(obj){var arr = new Array();arr[0]="测试一";arr[1]="测试二";arr[2]="测试三";var rowObj = obj.parentNode.parentNode;var rowNumber = rowObj.rowIndex;alert(rowNumber); rowObj.getElementsByTagName("input")[1].value = "changed1";rowObj.getElementsByTagName("input")[2].value = "changed2";var cellObj = rowObj.cells[0];cellObj.innerHTML = "<select name = 'select' id = 'select' ></select>";for(var i = 0; i<arr.length; i++){var opt=new Option(arr[i],"1"); rowObj.getElementsByTagName("select")[0].options[i]=opt;}}////动态添加select 下拉框 (2)function insertOption(obj) { var rowObj = obj.parentNode.parentNode; var option1 = document.createElement('option'); option1.text='测试一'; var option2 = document.createElement('option'); option2.text='测试二'; var cellObj = rowObj.cells[0]; cellObj.innerHTML = "<select name = 'select' id = 'select' ></select>"; var selObj = rowObj.getElementsByTagName("select")[0]; try { selObj.add(option1,null); // standards compliant selObj.add(option2,null); } catch(ex) { selObj.add(option1); // IE only selObj.add(option2); } selObj.options[selObj.selectedIndex].text="Melon" }</script></head><body><table><tbody id = "mainBody"><tr><td><input type = "text" name = "text0" value = "text0" /></td><td><input type = "text" name = "text1" value = "text1" /></td><td><input type = "text" name = "text2" value = "text2" /></td> <td><a href="#" onclick="changeSel(this)" >删除</a></td> </tr><tr><td><input type = "text" name = "text0" value = "text0" /></td><td><input type = "text" name = "text1" value = "text1" /></td><td><input type = "text" name = "text2" value = "text2" /></td> <td><a href="#" onclick="changeSel(this)" >删除</a></td> </tr><tr><td><input type = "text" name = "text0" value = "text0" /></td><td><input type = "text" name = "text1" value = "text1" /></td><td><input type = "text" name = "text2" value = "text2" /></td> <td><a href="#" onclick="insertOption(this)" >删除</a></td> </tr></tbody></table></body></html>