I need to display the difference between two dates in a text box using JavaScript. I tried the following code but it did not work:  function showdatediff(){     //get value of  the two dates     var date1 = document.getElementById('date1').value;     var date2 = document.getElementById('date2').value;     //cheack the diffrence     var timeDiff = Math.abs(date2.getTime() - date1.getTime());     var diffDays = Math.ceil(timeDiff / (1000 * 3600 * 24));     document.bookform.displaytextbox.value = (diffDays); }
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How do I get the number of days between two dates in JavaScript? For example, given two dates in input boxes:  &lt;input id="first" value="1/1/2000"/&gt; &lt;input id="second" value="1/1/2001"/&gt;  &lt;script&gt;   alert(datediff("day", first, second)); // what goes here? &lt;/script&gt;
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I need to decrement a Javascript date by 1 day, so that it rolls back across months/years correctly.  That is, if I have a date of 'Today', I want to get the date for 'Yesterday'.  It always seems to take more code than necessary when I do this, so I'm wondering if there's any simpler way.    What's the simplest way of doing this?  [Edit: Just to avoid confusion in an answer below, this is a JavaScript question, not a Java one.]
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I have...   Date start = new Date()  ... ... ...  Date stop = new Date()   I'd like to get the years, months, days, hours, minutes and seconds ellapsed between these two dates.  --  I'll refine the question.  I just want to get the elapsed time, as an absolute measure, that is without taking into account leap years, the days of each month, etc.  Thus I think it's impossible to get the years and months elapsed, all I can get is days, hours, minutes and seconds.  More specifically I want to tell that a certain task lasted for e.g.   20 sec 13 min, 4 sec 2 h, 10 min, 2 sec 4 d, 4 h, 2 min, 2 sec   So please forgive my lack of precision.
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What's the difference between JavaScript and Java?
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I'm trying to adjust this code so that I can jump to today's date which are all across row 2 in my spreadsheet.  function onOpen() {  var ss = SpreadsheetApp.getActiveSpreadsheet();  var sheet = ss.getActiveSheet();  var range = sheet.getRange("A:A");  var values = range.getValues();    var day = 24*3600*1000;    var today = parseInt((new Date().setHours(0,0,0,0))/day);    var ssdate;   for (var i=0; i&lt;values.length; i++) {    try {      ssdate = values[i][0].getTime()/day;    }    catch(e) {    }    if (ssdate &amp;&amp; Math.floor(ssdate) == today) {      sheet.setActiveRange(range.offset(i,0,1,1));      break;    }      } }    is from Marshmallow  I tried changing sheet.getRange("A:A") to sheet.getRange("2:2") and sheet.getRange("C2:PB2") but neither work.
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I found a great article on color coding a list item based on dates.  However, this only works for 2 days within submission.  I am trying to have a coding structure that will let me know when something is late.  This is the information I am using:   I have a column that subtracts the two dates, then I have another column that uses this script:   ="&lt;DIV style='font-weight:bold; font-size:24px; color:"&amp;CHOOSE((IF(SubmissionDateDifference&lt;=2,2,1)),"red","green","orange")&amp;";'&gt;•&lt;/DIV&gt;"   With this script, it is only given me the Red and Green colors depending on if the date is greater than 2 days or less than 2 days.  I would like to have it give me Red for 0 days and green for greater than 0.  When I tried to change the numbers to &lt;=0,0, the formula didn't work.  Also, the final piece in case you were wondering is setting up a web part with the list and below the list is a CEWP with this HTML Script:  &lt;script type="text/javascript"&gt; // // Text to HTML // Demo: sharepoint.infoyen.com by Avinash Kumar Dad // var cellTDs = document.getElementsByTagName("TD"); var i=0; var TDContent = " "; while (i &lt; cellTDs.length) { try { TDContent = cellTDs[i].innerText || cellTDs[i].textContent; if ((TDContent.indexOf("&lt;DIV") == 0) &amp;&amp; (TDContent.indexOf("&lt;/DIV&gt;") &gt;= 0)) { cellTDs[i].innerHTML = TDContent; } } catch(err){} i=i+1; } // // ExpGroupRenderData overwrites the default SharePoint function // This part is needed for collapsed groupings // function ExpGroupRenderData(htmlToRender, groupName, isLoaded) {    var tbody=document.getElementById("tbod"+groupName+"_");    var wrapDiv=document.createElement("DIV");    wrapDiv.innerHTML="&lt;TABLE&gt;&lt;TBODY id=\"tbod"+ groupName+"_\" isLoaded=\""+isLoaded+ "\"&gt;"+htmlToRender+"&lt;/TBODY&gt;&lt;/TABLE&gt;";    var tBODYTDs = wrapDiv.getElementsByTagName("TD"); var j=0; var cellTDContent = " ";    while (j &lt; tBODYTDs.length) {       try {          cellTDContent = tBODYTDs[j].innerText || tBODYTDs[j].textContent;          if ((cellTDContent.indexOf("&lt;DIV") == 0) &amp;&amp; (cellTDContent.indexOf("&lt;/DIV&gt;") &gt;= 0)) {            tBODYTDs[j].innerHTML = cellTDContent;          }      }      catch(err){}      j=j+1;   }   tbody.parentNode.replaceChild(wrapDiv.firstChild.firstChild,tbody); }     The link for this assistance came from    Any assistance will be greatly appreciated.
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New LaTex user here, hoping you can help me.   I am drafting a letter, the submission date of which I do not yet know. For this reason I am dating it using \today. However, in the text of the letter, I would like to specify a date two weeks in advance of \today. In other words, there is an [advance date] and an [advance date II], the latter specifying a date 14 days after the former.  I found the advdate package but, unless I am mistaken, it doesn't allow for setting two individual hypothetical dates. Is there a non-complicated way of implementing this?  Thanks for your help.
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Let's say that I want to generate a series of dates between two dates.  I see the function  provides only   Function                                    Argument Type                         Return Type                                                               Description generate_series(start, stop, step interval) timestamp or timestamp with time zone setof timestamp or setof timestamp with time zone (same as argument type) Generate a series of values, from start to stop with a step size of step   So how would I go about doing this?
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If I have two dates (ex. '8/18/2008' and '9/26/2008'), what is the best way to get the number of days between these two dates?
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I currently have two text boxes which accept any number. I have a text block that takes the two numbers entered and calculates the average.   I was wondering if there was a way I could bind this text block to both text boxes and utilize a custom converter to calculate the average? I currently am catching the text changed events on both text boxes and calculating the average that way, but I am under the assumption data binding would be more efficient and easier.
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I need the perfect algorithm or C# function to calculate the difference (distance) between 2 decimal numbers.  For example the difference between: 100 and 25 is 75 100 and -25 is 125 -100 and -115 is 15 -500 and 100 is 600  Is there a C# function or a very elegant algorithm to calculate this or I have to go and handle every case separately with ifs.  If there is such a function or algorithm, which one is it?
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I have to read log file between and my question is how to get only the text in the file wich is between two dates using unix commands? Every line contain date and I want to get the text in the file which dates are equal or bigger that the FROM date and lower or equal than the TO date. The format of the date is 13/05/23 01:58. The second date is for an example 13/05/13 07:50. Example  13:41:55,110  INFO HellowordlsThis text is generated by me
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Why does this javascript return 108 instead of 2008? it gets the day and month correct but not the year?  myDate = new Date(); year = myDate.getYear();   year = 108?
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I have time values in two cells in an Excel sheet and I need the difference of the times in minutes.  The cells in the Excel are like below:     A        B        C 1  6:38     8:23     1:45:00   A is the start time B is the end time C is the time difference (B1-A1) which is displayed in hh:mm:ss format  A and B cols are formatted as custom hh:mm and cell C is formatted as custom hh:mm:ss.  But I need to get in the value in cell C1 as 105 instead of 1:45:00.  Could you please help in displaying time only in minutes and giving the right format?
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I have two dates of the form:  Start Date: 2007-03-24  End Date: 2009-06-26   Now I need to find the difference between these two in the following form:  2 years, 3 months and 2 days   How can I do this in PHP?
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I have some sql dumps that I am looking at the differences between. diff can obviously show me the difference between two lines, but I'm driving myself nuts trying to find which values in the long list of comma-separated values are actually the ones causing the lines to be different.   What tool can I use to point out the exact character differences between two lines in certain files?
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I'm currently using the below script to timestamp when an edit is made to column 7 on a sheet named "Sheet 1".  function onEdit(e) {    if ([7].indexOf(e.range.columnStart) != -1) {    e.range.offset(0, 7).setValue(new Date()).setNumberFormat("dd.MM.yyyy at HH:mm");    }   }     I have a second sheet "Sheet 2" which I need to run the same script on but against column 5.  function onEdit(e) {    if ([5].indexOf(e.range.columnStart) != -1) {    e.range.offset(0, 7).setValue(new Date()).setNumberFormat("dd.MM.yyyy at HH:mm");    }   }     I've tried .getSheetByName("Sheet1") but just cant seem to get it working correctly.