爵士
我有从互联网下载的Javascript日历（用于挑选日期）。我可以在使用IE 6版本时选择合适的日期。但是当我使用像Google Chrome这样的现代浏览器时，它无法选择日期（点击不工作）。这是代码片段。请忠实！
calendar.js file
monthMaxDays = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
monthMaxDaysLeap= [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
hideSelectTags = [];
function getRealYear(dateObj)
{
return (dateObj.getYear() % 100) +
(((dateObj.getYear() % 100) < 39) ? 2000 : 1900);
}
function getDaysPerMonth(month, year)
{
/*
Check for leap year. These are some conditions to check
year is leap year or not...
1.Years evenly divisible by four are normally leap years, except for...
2.Years also evenly divisible by 100 are not leap years, except for...
3.Years also evenly divisible by 400 are leap years.
*/
if ((year % 4) == 0)
{
if ((year % 100) == 0 && (year % 400) != 0)
return monthMaxDays[month];
return monthMaxDaysLeap[month];
}
else
return monthMaxDays[month];
}
function createCalender(year, month, day)
{
// current Date
var curDate = new Date();
var curDay = curDate.getDate();
var curMonth = curDate.getMonth();
var curYear = getRealYear(curDate)
// if a date already exists, we calculate some values here
if (!year)
{
var year = curYear;
var month = curMonth;
}
var yearFound = 0;
for (var i=0; i<document.getElementById('selectYear').options.length; i++)
{
if (document.getElementById('selectYear').options[i].value == year)
{
document.getElementById('selectYear').selectedIndex = i;
yearFound = true;
break;
}
}
if (!yearFound)
{
document.getElementById('selectYear').selectedIndex = 0;
year = document.getElementById('selectYear').options[0].value;
}
document.getElementById('selectMonth').selectedIndex = month;
// first day of the month.
var fristDayOfMonthObj = new Date(year, month, 1);
var firstDayOfMonth = fristDayOfMonthObj.getDay();
continu = true;
firstRow = true;
var x = 0;
var d = 0;
var trs = []
var ti = 0;
while (d <= getDaysPerMonth(month, year))
{
if (firstRow)
{
trs[ti] = document.createElement("TR");
if (firstDayOfMonth > 0)
{
while (x < firstDayOfMonth)
{
trs[ti].appendChild
(document.createElement ("TD"));
x++;
}
}
firstRow = false;
var d = 1;
}
if (x % 7 == 0)
{
ti++;
trs[ti] = document.createElement("TR");
}
if ( day && d == day)
{
var setID = 'calenderChoosenDay';
var styleClass = 'choosenDay';
var setTitle = 'this day is currently selected';
}
else if (d == curDay && month == curMonth && year == curYear)
{
var setID = 'calenderToDay';
var styleClass = 'toDay';
var setTitle = 'this day today';
}
else
{
var setID = false;
var styleClass = 'normalDay';
var setTitle = false;
}
var td = document.createElement("TD");
td.className = styleClass;
if (setID)
{
td.id = setID;
}
if (setTitle)
{
td.title = setTitle;
}
td.onmouseover = new Function('highLiteDay(this)');
td.onmouseout = new Function('deHighLiteDay(this)');
*if (targetEl)
td.onclick = new Functio*
('pickDate ('+year+', '+month+', '+d+')');
else
td.style.cursor = 'default';
td.appendChild(document.createTextNode(d));
trs[ti].appendChild(td);
x++;
d++;
}
return trs;
}
function showCalender(elPos, tgtEl)
{
targetEl = false;
if (document.getElementById(tgtEl))
{
targetEl = document.getElementById(tgtEl);
}
else
{
if (document.forms[0].elements[tgtEl])
{
targetEl = document.forms[0].elements[tgtEl];
}
}
var calTable = document.getElementById('calenderTable');
var positions = [0,0];
var positions = getParentOffset(elPos, positions);
calTable.style.left = positions[0]+'px';
calTable.style.top = positions[1]+'px';
calTable.style.display='block';
var matchDate = new RegExp('^([0-9]{2})-([0-9]{2})-([0-9]{4})$');
var m = matchDate.exec(targetEl.value);
if (m == null)
{
trs = createCalender(false, false, false);
showCalenderBody(trs);
}
else
{
if (m[1].substr(0, 1) == 0)
m[1] = m[1].substr(1, 1);
if (m[2].substr(0, 1) == 0)
m[2] = m[2].substr(1, 1);
m[2] = m[2] - 1;
trs = createCalender(m[3], m[2], m[1]);
showCalenderBody(trs);
}
hideSelect(document.body, 1);
}
function showCalenderBody(trs)
{
var calTBody = document.getElementById('calender');
while (calTBody.childNodes[0])
{
calTBody.removeChild(calTBody.childNodes[0]);
}
for (var i in trs)
{
calTBody.appendChild(trs[i]);
}
}
function setYears(sy, ey)
{
// current Date
var curDate = new Date();
var curYear = getRealYear(curDate);
if (sy)
startYear = curYear;
if (ey)
endYear = curYear;
document.getElementById('selectYear').options.length = 0;
var j = 0;
for (y=ey; y>=sy; y--)
{
document.getElementById('selectYear')[j++] = new Option(y, y);
}
}
function hideSelect(el, superTotal)
{
if (superTotal >= 100)
{
return;
}
var totalChilds = el.childNodes.length;
for (var c=0; c<totalChilds; c++)
{
var thisTag = el.childNodes[c];
if (thisTag.tagName == 'SELECT')
{
if (thisTag.id != 'selectMonth' && thisTag.id != 'selectYear')
{
var calenderEl = document.getElementById ('calenderTable');
var positions = [0,0];
var positions = getParentOffset(thisTag, positions); // nieuw
var thisLeft = positions[0];
var thisRight = positions[0] + thisTag.offsetWidth;
var thisTop = positions[1];
var thisBottom = positions[1] + thisTag.offsetHeight;
var calLeft = calenderEl.offsetLeft;
var calRight = calenderEl.offsetLeft + calenderEl.offsetWidth;
var calTop = calenderEl.offsetTop;
var calBottom = calenderEl.offsetTop + calenderEl.offsetHeight;
if (
(
/* check if it overlaps horizontally */
(thisLeft >= calLeft && thisLeft <= calRight)
||
(thisRight <= calRight && thisRight >= calLeft)
||
(thisLeft <= calLeft && thisRight >= calRight)
)
&&
(
/* check if it overlaps vertically */
(thisTop >= calTop && thisTop <= calBottom)
||
(thisBottom <= calBottom && thisBottom >= calTop)
||
(thisTop <= calTop && thisBottom >= calBottom)
)
)
{
hideSelectTags[hideSelectTags.length] = thisTag;
thisTag.style.display = 'none';
}
}
}
else if(thisTag.childNodes.length > 0)
{
hideSelect(thisTag, (superTotal+1));
}
}
}
function closeCalender()
{
for (var i=0; i<hideSelectTags.length; i++)
{
hideSelectTags[i].style.display = 'block';
}
hideSelectTags.length = 0;
document.getElementById('calenderTable').style.display='none';
}
function highLiteDay(el)
{
el.className = 'hlDay';
}
function deHighLiteDay(el)
{
if (el.id == 'calenderToDay')
el.className = 'toDay';
else if (el.id == 'calenderChoosenDay')
el.className = 'choosenDay';
else
el.className = 'normalDay';
}
function pickDate(year, month, day)
{
month++;
day = day < 10 ? '0'+day : day;
month = month < 10 ? '0'+month : month;
if (!targetEl)
{
alert('target for date is not set yet');
}
else
{
targetEl.value= year+'-'+month+'-'+day;
closeCalender();
}
}
function getParentOffset(el, positions)
{
positions[0] += el.offsetLeft;
positions[1] += el.offsetTop;
if (el.offsetParent)
positions = getParentOffset(el.offsetParent, positions);
return positions;
}
答案 0 :(得分：1)
new Function()？真的？
td.onmouseover = function() {highLiteDay(this);};
td.onmouseout = function() {deHighLiteDay(this);};
// the above two should probably just be `:hover` styles in CSS
(function(year,month,d) {
td.onclick = function() {pickDate(year, month, d);};
})(year,month,d);
// this creates a closure to "anchor" the values of the variables
// even as the loop iterates