Date () Object In Safari
Jul 20, 2005
According to the Safari browser the world began on "Fri Dec 13 1901 15:45:52 GMT-0500", but I need to be able to get around this limitation.
I am interested in dates from 1500 to 1901, as far as I can determine, there are 14 possible calendar variations.
Year starts on Sun, Mon..... Leap year starts on Sun, Mon..
I can label these early year "types" as a number between 0 and 13.
Let's say 2005 is type 5, and that 1655 is too. (In both years Jan 1 falls on a Saturday)
I'm trying to create a function that will identify the "type" of year.
function getYearType(year){
return Number // number between 0 and 13
}
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Feb 18, 2010
$(document).click(function(e) {
[Code]...
I have created a presentation style webpage, which progressive hides and shows divs on mouse clicks. The problem is that Flash videos are embedded in between some of the divs and so I do not want to click onto the next slide when the mouse is over the Flash object. To avoid this, I have used the above code, which works fine in Firefox 3.most-recent and IE 6,7 and 8. However, it does not work in Safari or Google Chrome on the mac, which leads me to suspect a Webkit issue.
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Feb 15, 2009
I am integrating PHP with javascript and css to create an image gallery for an art site. When a user clicks a thumbnail, the painting shows above the thumbnails, and data about the painting, along with an artist statement (in the form of an image) shows up on the right side. Everything works as it should with firefox and safari, but the statement image is not showing up in explorer. I right click the broken image and it shows the correct url, but the image is not/won't be displayed. What am I missing?
[Code]...
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Jul 23, 2005
How do check for a date object?
<script type="text/javascript">
var d=new Date()
var arr=new Array("Jun 5",d,"Mar 16")
for(i=0;i<arr.length;i++){
if(arr[i] != Date()) // is string or is not date object
document.write(arr[i] + "<br>")
}
</script>
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May 29, 2007
Am i breaking any rules when I loop dates like
// Determine Memorial Day
intFlag = 0;
memDayHol = new Date (currentYear, 4, 31);
while (intFlag == 0) {
if (memDayHol.getDay() == 1) {intFlag =1;}
else {memDayHol = memDayHol - 1;}
}
I can find no docs that one can use the '+' operator directly on a date
object, and it assumes adding/subtracting a day(s). Is this deprecated
code?
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Jul 9, 2010
How to extend the constructor for the date object of the javasccript so that whenever a call is made to the constructor, I want to perform a particular action? Basically how to define wrappers for default javascript methods or objects like Date() so that I can perform some action and then invoke the original method? So basically if I have something like var a = new Date(); I want it to (say) alert the value of the date everything Date() is called and then execute the default date constructor.
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Feb 7, 2011
The goal is for selectedDay to be assigned the value of the system variable Mainpackage.subclass0.subclass1.firstDay and then incremented by two days. Mainpackage.subclass0.subclass1.firstDay needs to be unchanged.
Important system variable in red. To be 'manipulated and used' variable in green. Even with an intermediary, third, dummy variable it doesn't work:
Console log is:
It doesn't work in my webapp : All variables change at the same time.
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Jun 15, 2011
I was wondering how you would create a javascript Date object from an ISO8601 string? We have done this successfully in FF4, but not IE.
If we try the following in FF4 it works:
alert(new Date("20091107T12:15:00))
In IE it returns:
'NaN'
What would be the Date standard used in JavaScript and AJAX from the server to the client? We were thinking about using UTC
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May 3, 2010
I have a question about what the most certain method to obtain the correct UTC time in javascript is.On my forum, there is a countdown clock, that should show the same amount, wherever the user is located. I use UTC in javascript to get the current time, but I have trouble getting consistent results.I have tried two methods:Method 1:
Code:
var d = new Date();
var localTime = d.getTime();
[code]......
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Mar 6, 2009
In the below, I would expect this to return the number of milliseconds since the epoch. Instead, it's generating a massive negative number. I presume I've gone wrong with the set[Blah] methods.
javascript Code:
var date_text = '2009-03-06 12:00:00';
var d_tried = new Date();
d_tried.setYear(parseInt(date_text.substr(0,3)));
d_tried.setMonth(parseInt(date_text.substr(5,6)));
d_tried.setDate(parseInt(date_text.substr(8,9)));
[Code]....
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Apr 27, 2010
I am trying to use my date Object function to get the date from the comp but my variables in my function are coming up undefined.
Here is my function:
function displayTime() {
var currentTime, hour, minute, second, range, m, s
currentTime = new Date()
var hourInt = currentTime.getHours()
var minuteInt = currentTime.getMinutes()
var secondInt = currentTime.getSeconds()
if (hourInt > 12) {
range = "PM"
hourInt -= 12
} else {
range = "AM"
}
hour = String(hourInt)
if (minuteInt < 10) {
m = String(0) + String(minuteInt)
} minute = m
if (secondInt < 10) {
s = String(0) + String(secondInt)
} second = s
document.timeForm.timeBox.value = hour + ":" + minute + ":" + second + " " + range
alert(hour + ":" + minute + ":" + second + " " + range)
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Dec 6, 2002
Well, this is acutally a couple different scripts. First is the custom date object myDate which retrieves pretty much every value that you'd need from a date and sets it as a property. If no argument is supplied, the current time and date is used. If you do supply an argument, you can send an existing javascript Date object, or a string that is compatible with declaring a normal javascript Date object.
The 2nd part of this script is the method getDate (and some accompanying String methods) that allow you to retrieve the date as a string by passing it a format string just like the PHP date() (http://www.php.net/manual/en/function.date.php) function accepts. The code posted below includes sufficient (I think) examples to help you understand what is going on. You will notice that I didn't duplicate EVERY code over from PHP, and a few are slightly different. Those that I left out I felt weren't very necessary, or I didn't feel like doing the algorithm for them :D.
Both myDateObj.getDate() and PHP's date() allow you to include text into the string that you don't want parsed, but each handles it differently. In PHP, you need to escape characters normally with a backslash. For getDate you need to proceed each character with a pipe "|". So, instead of$dateStr = date("Day z");as it would be in PHP, you would usevar d = new myDate();
var dateStr = d.getDate("D|a|y| z");There are more examples of how this works below.
Note: There is also a nice arrayReplace() method for strings that is handy for doing multiple replace() operations all at once, so I guess this is really like 3 handy scripts ;)
<html>
<head>
<title>test</title>
<meta http-equiv="expires" content="0">
<script type="text/javascript">
/*** First Part of Script, the custom date object ***/
function myDate(dateStr) {
if (typeof dateStr != 'undefined') {
var d = new Date(dateStr);
this.dateString = dateStr;
}
else if (typeof dateStr == 'object')
var d = dateStr;
else
var d = new Date();
var months = ['January','February','March','April','May','June','July','August','September','October','November',' December'];
var weekDays = ['Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday'];
var monthDays = [31,28,31,30,31,30,31,31,30,31,30,31];
this.epoch = d.getTime();
this.epochS = Math.round(this.epoch / 1000);
this.year4 = d.getFullYear();
this.year2 = parseInt(this.year4.toString().substring(2));
this.leap = (this.year4 % 400 == 0) ? true : (this.year4 % 4 == 0 && this.year4 % 100 != 0) ? true : false;
if (this.leap) monthDays[1]++;
this.mnth = d.getMonth();
this.month = this.mnth + 1;
this.month_2 = leadingZero(this.month);
this.monthName = months[this.mnth];
this.monthNameShort = this.monthName.substring(0,3);
this.days = monthDays[this.mnth];
this.dy = d.getDay();
this.day = this.dy + 1;
this.dayName = weekDays[this.dy];
this.dayNameShort = this.dayName.substring(0,3);
this.date = d.getDate();
this.date_2 = leadingZero(this.date);
this.suffix = (this.date % 10 == 1 ) ? "st" : (this.date % 10 == 2) ? "nd" : (this.date % 10 == 3) ? "rd" : "th";
this.hours24 = d.getHours();
this.hours24_2 = leadingZero(this.hours24)
this.hours12 = (this.hours24 == 0) ? 12 : (this.hours24 > 12) ? this.hours24-12 : this.hours24;
this.hours12_2 = leadingZero(this.hours12);
this.minutes = d.getMinutes();
this.minutes_2 = leadingZero(this.minutes);
this.seconds = d.getSeconds();
this.seconds_2 = leadingZero(this.seconds);
this.millis = d.getMilliseconds();
this.ampm = (this.hours24 == 0) ? "am" : (this.hours24 >= 12) ? "pm" : "am";
this.GMTstring = d.toGMTString();
this.offset = d.getTimezoneOffset();
function leadingZero(num) {
return (num < 10) ? "0" + num : num.toString();
}
}
myDate.prototype.getDayOfYear = function() {
var total = 0;
var monthDays = [31,28,31,30,31,30,31,31,30,31,30,31];
if (this.leap) monthDays[1]++;
for (var i=0; i<this.mnth; total += monthDays[i++]) {}
total += this.date;
return total;
}
/*** Second part of script, the PHP-like parsed output ***/
myDate.prototype.getDate = function(str) {
var p = ['a','A','B','d','D','F','g','G','h','H','i','I','j','l','L','m','M','n','O','r','s','S','t','T','U', 'w','W','Y','y','z','Z'];
var r = new Array();
var i = 0;
var delChar = "|";
var sNull = "null".delimit(delChar)
r[i++] = this.ampm.delimit(delChar);
r[i++] = this.ampm.toUpperCase().delimit(delChar);
r[i++] = sNull;
r[i++] = this.date_2;
r[i++] = this.dayNameShort.delimit(delChar);
r[i++] = this.monthName.delimit(delChar);
r[i++] = this.hours12;
r[i++] = this.hours24;
r[i++] = this.hours12_2;
r[i++] = this.hours24_2;
r[i++] = this.minutes_2;
r[i++] = sNull;
r[i++] = this.date;
r[i++] = this.dayName.delimit(delChar);
r[i++] = (this.leap)?1:0;
r[i++] = this.month_2;
r[i++] = this.monthNameShort.delimit(delChar);
r[i++] = this.month;
r[i++] = this.offset;
r[i++] = this.GMTstring.delimit(delChar);
r[i++] = this.seconds_2;
r[i++] = this.suffix.delimit(delChar);
r[i++] = this.days;
r[i++] = sNull;
r[i++] = this.epochS;
r[i++] = this.dy;
r[i++] = sNull;
r[i++] = this.year4;
r[i++] = this.year2;
r[i++] = this.getDayOfYear();
r[i++] = sNull;
for (i=0; i<p.length; i++)
p[i] = "/" + p[i] + "(?!|)/g";
return str.arrayReplace(p, r).replace(/|/g,"");
}
String.prototype.arrayReplace = function(arrP, arrR) {
var p, s = this;
for (var i=0; i<arrP.length; i++) {
var flags = arrP[i].substring(arrP[i].lastIndexOf("/")+1);
var regex = arrP[i].substring(1,arrP[i].lastIndexOf("/"));
p = new RegExp(regex, flags);
s = s.replace(p, arrR[i]);
}
return s;
}
String.prototype.delimit = function(char) {
var s = "";
for (var i=0; i<this.length; i++) {
s += this.charAt(i) + char;
}
return s;
}
</script>
</head>
<body>
<script type="text/javascript">
/*** Example using current date/time ***/
var md1 = new myDate();
document.write(md1.getDate("l jS of F Y h:i:s A")+"<br>");
document.write(md1.getDate("T|o|d|a|y| i|s| m.d.y")+"<br>");
document.write(md1.getDate("D M j G:i:s Y")+"<br>");
document.write("It " + (md1.leap?"is":"is not") + " a leap year<br>");
document.write("The unix epoch occurred " + md1.epochS + " seconds ago");
document.write("<hr>");
/*** Example using javascript Date object as argument ***/
var d1 = new Date(2000, 01, 02, 15, 15, 15);
var md2 = new myDate(d1);
document.write(md2.getDate("l jS of F Y h:i:s A")+"<br>");
document.write(md2.getDate("T|o|d|a|y| i|s| m.d.y")+"<br>");
document.write(md2.getDate("D M j G:i:s Y")+"<br>");
document.write("It " + (md2.leap?"is":"is not") + " a leap year<br>");
document.write("The unix epoch occurred " + md2.epochS + " seconds ago");
document.write("<hr>");
/*** Example using Date object compatible string as argument ***/
var md3 = new myDate("December 10, 1978 12:23:00");
document.write(md3.getDate("l jS of F Y h:i:s A")+"<br>");
document.write(md3.getDate("T|o|d|a|y| i|s| m.d.y")+"<br>");
document.write(md3.getDate("D M j G:i:s Y")+"<br>");
document.write("It " + (md3.leap?"is":"is not") + " a leap year<br>");
document.write("The unix epoch occurred " + md3.epochS + " seconds ago");
</script>
</body>
</html>
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Feb 7, 2011
The goal is for selectedDay to be assigned the value of the system variable Mainpackage.subclass0.subclass1.firstDay and then incremented by two days. Mainpackage.subclass0.subclass1.firstDay needs to be unchanged.
Important system variable in red.
To be 'manipulated and used' variable in green.
Even with an intermediary, third, dummy variable it doesn't work:
Code:
//Declarations and instantiations
var systemDate = new Date();
var selectedDay = new Date();[code]....
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Feb 6, 2010
I have a start date and end date text boxs. What I would like to achieve is when a submit button is clicked all the available dates between start and end dates should be displayed together with 3 check boxes next to each date (please see below). I am just wondering whether that'sachievablewith jquery, and if so, how I might be able to implement this.
Start date End date
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Jun 6, 2010
The very simple code (below) works fine in Safari (and Chrome, Firefox etc.), but it doesn't work in Mobile Safari. Why?(You can find a working example at: http:[url]....)
Code:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>[code]......
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Feb 14, 2011
I have added a booking form to a website with belongs to fastbooking.You can see a temporary website here. http:[url]....It works perfectly fine in Mozilla Firefox, Google Chrome, Opera and Safari but it does not load on Internet Explorer.On the other browsers the form loads todays date and the year is generated but on IE the date stays on 01-01 and no year is generated.I'm using wordpress as a cms.I think the code that is not loading is <body onLoad='start();'>But I'm not sure. The code of the year is
<select name='fromyear' class="input" onChange='update_departure();'>
<option value="0"></option>
</select> But since it's no just the year I assume its the onload code.
I tried to add the onload to the header function like this
<body onLoad='start();' <?php if(function_exists('body_class')) body_class(); ?>>
So now wordpress generates the following code when it loads the page
<body onLoad='start();' class="home page page-id-6 page-template page-template-default logged-in">
But sadly the date still does no load on Internet Explorer.
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May 26, 2011
We have a little callendar on our website. I have set the format of the date to "dd-mm-y" because I want the date to be saved europian, not american. When comfirming the form, the date is saved as 0000-00-00. The date shows correctly on the form itself. I have two scripts: Calendar.js and Calendar-en-GB.js. Calendar-en-GB.js contains the 'settings'. (Including date format). I can't figure out the problem and thought maybe one of you could. I have uploaded the scripts in one .zip file: [URL]
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