Javascript 下拉菜单超时问题
我不太清楚为什么我的菜单计时不正确。当您将鼠标悬停在菜单标题上以查看下拉列表时,它将闪烁其子菜单,以便您无法从中选择链接。你知道为什么吗?我已经在这方面工作太久了Javascript 下拉菜单超时问题,javascript,Javascript,我不太清楚为什么我的菜单计时不正确。当您将鼠标悬停在菜单标题上以查看下拉列表时,它将闪烁其子菜单,以便您无法从中选择链接。你知道为什么吗?我已经在这方面工作太久了 var menuTimeout = ''; $('.nav_click').bind({ mouseover: function(){ if($(this).hasClass('submenus') == true){ var whichMenu = $(this).attr('id'); va
var menuTimeout = '';
$('.nav_click').bind({
mouseover: function(){
if($(this).hasClass('submenus') == true){
var whichMenu = $(this).attr('id');
var displayMenu = '';//yes its blank for a reason
if(whichMenu == 'navi2'){displayMenu = 'menu1';}
if(whichMenu == 'navi3'){displayMenu = 'menu2';}
if(whichMenu == 'navi4'){displayMenu = 'menu3';}
if(whichMenu == 'navi5'){displayMenu = 'menu4';}
if(displayMenu != '')
{
var leftOffset = ($(this).position().left-5);
var topOffset = ($(this).offset().top+$(this).height()-10);
$('#'+displayMenu).css({"display":"block", "position":"absolute", "left":leftOffset+"px", "top":topOffset+"px"});
}
}
var menuitem = $(this).attr('id');
if(menuitem == "navi1"){$(this).css({"background-position":"0 -63px"});}
if(menuitem == "navi2"){$(this).css({"background-position":"-100px -63px"});}
if(menuitem == "navi3"){$(this).css({"background-position":"-230px -63px"});}
if(menuitem == "navi4"){$(this).css({"background-position":"-420px -63px"});}
if(menuitem == "navi5"){$(this).css({"background-position":"-524px -63px"});}
if(menuitem == "navi6"){$(this).css({"background-position":"-638px -63px"});}
if(menuitem == "navi7"){$(this).css({"background-position":"-737px -63px"});}
},
mouseout: function(){
if($('.submenublock').is(":visible") == true){menuTimeout = setInterval(function() {$('.submenublock').fadeOut('slow').css({"display":"none"}); clearInterval(menuTimeout);}, 1500);}
var menuitem = $(this).attr('id');
if(menuitem == "navi1"){$(this).css({"background-position":"0 0"});}
if(menuitem == "navi2"){$(this).css({"background-position":"-100px 0"});}
if(menuitem == "navi3"){$(this).css({"background-position":"-230px 0"});}
if(menuitem == "navi4"){$(this).css({"background-position":"-420px 0"});}
if(menuitem == "navi5"){$(this).css({"background-position":"-524px 0"});}
if(menuitem == "navi6"){$(this).css({"background-position":"-638px 0"});}
if(menuitem == "navi7"){$(this).css({"background-position":"-737px 0"});}
},
click: function(){
window.location = $(this).attr('rel');
}
});
$('.submenublock ul').bind({
mouseover: function(){
clearInterval(menuTimeout);
},
mouseout: function(){
menuTimeout = setInterval(function() {$('.submenublock').fadeOut('slow').css({"display":"none"}); clearInterval(menuTimeout);}, 500);
}
});
可能是因为mouseover处理程序正在触发mouseout处理程序 当您将鼠标悬停在顶级项上时,最终会执行以下代码:
$('#'+displayMenu).css({"display":"block", "position":"absolute", "left":leftOffset+"px", "top":topOffset+"px"}
由于某种原因,这会导致顶级项失去焦点,这使得鼠标退出代码立即启动,使刚刚在0.5秒内打开的菜单淡出
我试着在mouseout中注释掉淡出/延迟线,这种行为停止了,菜单也不会消失,但我们已经查明了问题所在
mouseout: function(){
// if($('.submenublock').is(":visible") == true){menuTimeout = setInterval(function() {$('.submenublock').fadeOut('slow').css({"display":"none"}); clearInterval(menuTimeout);}, 1500);}
也许您正在鼠标下取消隐藏/移动/显示另一个dom元素,它不是包含鼠标盖的div的子元素?这会引发一场灭鼠。这是堪萨斯州的网站