我寫了一個JavaScript,它根據提供給它的jSON數據生成動態元素。在鼠標懸停時在Chrome中閃爍的問題div
$(function() {
var list = JSON.parse(@ViewBag.NomineeList);
var counter = 1;
var tr;
$(list).each((function() {
if (counter % 2 != 0) {
tr = CreateElems('tr', null, null);
}
var td = CreateElems('td', null, null);
var div = CreateElems('div', 'dvBorder', null);
div.attr('empID', this.EmpId);
div.attr('nomineeID', this.Id);
RegisterEvents(div);
div.append('<img alt="user" src=' + this.UserImagePath + ' style="padding: 5px;" />');
div.append(CreateElems('span', 'EmpolyeeName', this.FirstName));
div.append(CreateElems('span', 'EmployeeEmail', this.Email));
td.append(div);
tr.append(td);
if (counter % 2 == 0) {
$('#tblEmployee').append(tr);
tr = "";
}
counter++;
}));
});
function CreateElems(type,cssClass,value)
{
var elem = $(document.createElement(type));
if(value != null)
elem.text(value);
if(cssClass!= null)
elem.addClass(cssClass);
return elem;
}
有三個不同的事件,我已註冊爲創建的動態元素。
function RegisterEvents(crntDiv) {
var url;
$(crntDiv).click(function() {
url = "/home/SaveVote?nomineeId=" + $(crntDiv).attr('nomineeID');
AjaxCall(url, false, crntDiv);
});
$(crntDiv).mouseover(function() {
RemoveToolTip();
url = "/home/GetDescription?nomineeId=" + $(crntDiv).attr('nomineeID');
AjaxCall(url, true, crntDiv);
});
$(crntDiv).mouseout(function() {
$(crntDiv).children('div.RollOverTip').remove();
});
}
當鼠標滑過工具提示出現時。在這個事件中,我正在檢查是否有任何以前的工具提示存在於dom中,它應該被刪除。
function RemoveToolTip() {
$('#tblEmployee').find('div.RollOverTip').remove();
}
但是仍然有些時候瀏覽器上有三個以上的工具提示。也可以優化一下。
的Html
<table border="0" cellpadding="5" cellspacing="0" id="tblEmployee">
</table>
CSS類。
.dvBorder
{
background-image: url(/Images/screen2-button.png);
background-repeat: no-repeat;
height: 125px;
width: 400px;
cursor:pointer;
position: relative;
}
.RollOverTip
{
background-image: url("/Images/screen2-rollover-tooltip.png");
background-repeat: no-repeat;
color: #000000;
font-family: Calibri Regular;
font-size: 18pt;
height: 199px;
line-height: 20pt;
margin-left: 385px;
position: absolute;
width: 474px;
z-index: 90000;
padding:34px;
}
什麼是可能的優化腳本,也有任何建議,以消除閃爍?
見我對安東評論張貼任何建議... – ankur 2013-02-27 10:29:40