最近項(xiàng)目寫了一些js，水平有待提高
2024-05-06 14:16:12
供稿：網(wǎng)友
代碼如下:
function ResumeError() {
return true;
}
window.onerror = ResumeError;
function showdd(obj){
var dds = document.getElementById(obj).getElementsByTagName("dd");
var len = dds.length;
if(dds[0].style.display == "none"){
//該操作為展開菜單，需要判斷cookie中是否有該項(xiàng)
//1、有，刪除
//2、無，不執(zhí)行操作
changeshowmenu(obj);
for(var i = 0; i < len;i++){
dds[i].style.display = "";
}
}else{
//該操作為隱藏菜單，需要判斷cookie中是否有該項(xiàng)：
//1、有，不執(zhí)行操作
//2、無，則要在末尾添加進(jìn)去
changehidemenu(obj);
for(var i = 0; i < len;i++){
dds[i].style.display = "none";
}
}
}
function changeshowmenu(obj){
var temp = getcookie("openid");
if(temp.indexOf(obj) != "-1"){
temp = temp.replace(obj + ",","")
addcookie("openid",temp,24);
}
}
function changehidemenu(obj){
var temp = getcookie("openid");
if(temp.indexOf(obj) == "-1"){
addcookie("openid",temp+obj+",",24);
}
}
function getcookie(sName) {//取得cookie
var aCookie = document.cookie.split("; ");
for (var j=0; j < aCookie.length; j++){
var aCrumb = aCookie[j].split("=");
if (sName == aCrumb[0])
return aCrumb[1];
}
return null;
}
function addcookie(objName,objValue,objHours){//添加cookie
var str = objName + "=" + objValue;
if(objHours > 0){//為0時(shí)不設(shè)定過期時(shí)間，瀏覽器關(guān)閉時(shí)cookie自動消失
var date = new Date();
var ms = objHours*3600*1000;
date.setTime(date.getTime() + ms);
str += "; expires=" + date.toGMTString();
}
document.cookie = str;
}
//根據(jù)一個(gè)以逗號分開的字符串，初始化菜單哪些需要隱藏
function initmenu(obj){
var arrmenu = obj.split(",");
for(var i = 0; i < arrmenu.length;i++){
var dds = document.getElementById(arrmenu[i]).getElementsByTagName("dd");
for(var j = 0;j < dds.length;j++){
dds[j].style.display = "none";
}
}
}
function $(obj){
return document.getElementById(obj);
}
function delIt(){
var cbxBool = 0;
for(var i = 0;i < cbxArray.length;i++){
var obj = $(cbxArray[i]);
if(obj.checked == true){
cbxBool = 1;
break;
}
}
if(cbxBool == 1){
var result = confirm("操作不可以恢復(fù)，確定當(dāng)前操作嗎？");
if(result){
return true;
}
}else{
alert("您還沒有選中項(xiàng)");
return false;
}
return false;
}
window.onload = function(){
var lendl = document.getElementById("globalLeft").getElementsByTagName("dl").length;
if(getcookie("openid") == null){
addcookie("openid","dl_c,dl_d,dl_e,dl_f,dl_g,dl_h,dl_i,dl_j,",24);
}
initmenu(getcookie("openid"));
var otable = document.getElementById("table");
var trs = otable.getElementsByTagName("tr");
for(var i = 0;i < trs.length;i++){
trs[i].onmouseover = function(){
