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datum in javascript
voorbeeld;
-- input
jaar 2010
week 4
-- result
25-01-2010
26-01-2010
27-01-2010
28-01-2010
29-01-2010
30-01-2010
31-01-2010
thnx.
Code (php)
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function getBoundaries(dObj, dayFirst, dayLast)
{
var bounds = new Array();
bounds[0] = new Date(dObj.getFullYear(), dObj.getMonth(), (dObj.getDate() + dayFirst));
bounds[1] = new Date(dObj.getFullYear(), dObj.getMonth(), (dObj.getDate() + dayLast));
return bounds;
}
function getWeekBoundaries(today)
{
var day = today.getDay();
var startday = 1; // 0 = Sunday 1 = Monday
var bounds;
switch (day)
{
case 0:
bounds = (startday) ? getBoundaries(today, 7, 0) : getBoundaries(today, 0, 6);
break;
case 1:
bounds = (startday) ? getBoundaries(today, 0, 6) : getBoundaries(today, -1, 5);
break;
case 2:
bounds = (startday) ? getBoundaries(today, -1, 5) : getBoundaries(today, -2, 4);
break;
case 3:
bounds = (startday) ? getBoundaries(today, -2, 4) : getBoundaries(today, -3, 3);
break;
case 4:
bounds = (startday) ? getBoundaries(today, -3, 3) : getBoundaries(today, -4, 2);
break;
case 5:
bounds = (startday) ? getBoundaries(today, -4, 2) : getBoundaries(today, -5, 1);
break;
case 6:
bounds = (startday) ? getBoundaries(today, -5, 1) : getBoundaries(today, 7, 0);
break;
}
return bounds;
}
Date.prototype.getWeek = function()
{
var thisDate = this;
var year = thisDate.getFullYear();
var month = thisDate.getMonth();
var day = thisDate.getDate();
month += 1;
var a = Math.floor((14-(month))/12);
var y = year+4800-a;
var m = (month)+(12*a)-3;
var jd = day + Math.floor(((153*m)+2)/5) +
(365*y) + Math.floor(y/4) - Math.floor(y/100) +
Math.floor(y/400) - 32045;
var d4 = (jd+31741-(jd%7))%146097%36524%1461;
var L = Math.floor(d4/1460);
var d1 = ((d4-L)%365)+L;
NumberOfWeek = Math.floor(d1/7) + 1;
return NumberOfWeek;
}
{
var bounds = new Array();
bounds[0] = new Date(dObj.getFullYear(), dObj.getMonth(), (dObj.getDate() + dayFirst));
bounds[1] = new Date(dObj.getFullYear(), dObj.getMonth(), (dObj.getDate() + dayLast));
return bounds;
}
function getWeekBoundaries(today)
{
var day = today.getDay();
var startday = 1; // 0 = Sunday 1 = Monday
var bounds;
switch (day)
{
case 0:
bounds = (startday) ? getBoundaries(today, 7, 0) : getBoundaries(today, 0, 6);
break;
case 1:
bounds = (startday) ? getBoundaries(today, 0, 6) : getBoundaries(today, -1, 5);
break;
case 2:
bounds = (startday) ? getBoundaries(today, -1, 5) : getBoundaries(today, -2, 4);
break;
case 3:
bounds = (startday) ? getBoundaries(today, -2, 4) : getBoundaries(today, -3, 3);
break;
case 4:
bounds = (startday) ? getBoundaries(today, -3, 3) : getBoundaries(today, -4, 2);
break;
case 5:
bounds = (startday) ? getBoundaries(today, -4, 2) : getBoundaries(today, -5, 1);
break;
case 6:
bounds = (startday) ? getBoundaries(today, -5, 1) : getBoundaries(today, 7, 0);
break;
}
return bounds;
}
Date.prototype.getWeek = function()
{
var thisDate = this;
var year = thisDate.getFullYear();
var month = thisDate.getMonth();
var day = thisDate.getDate();
month += 1;
var a = Math.floor((14-(month))/12);
var y = year+4800-a;
var m = (month)+(12*a)-3;
var jd = day + Math.floor(((153*m)+2)/5) +
(365*y) + Math.floor(y/4) - Math.floor(y/100) +
Math.floor(y/400) - 32045;
var d4 = (jd+31741-(jd%7))%146097%36524%1461;
var L = Math.floor(d4/1460);
var d1 = ((d4-L)%365)+L;
NumberOfWeek = Math.floor(d1/7) + 1;
return NumberOfWeek;
}
Gewijzigd op 01/01/1970 01:00:00 door Gerben Jacobs