if run code snippet, you'll see monday day number 7, how can monday first day of week example: monday 05/01/2017 week no. 1 tuesday 05/02/2017 week no. 2
<html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script> <link rel="stylesheet" href="http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css" /> <script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script> <script type="text/javascript" src="/scripts/jquery.ui.datepicker-it.js"></script> <script> $(function() { var weekstart = new date(2017, 1, 27); var roster = ['work', 'off', 'off', 'work', 'work', 'work', 'work', 'off', 'work', 'work', 'work', 'off', 'off', 'work']; $('#date').datepicker({mindate: weekstart, onselect: function(datestr) { var date = $(this).datepicker('getdate'); var days = math.floor((date.gettime() - weekstart.gettime()) / (24 * 60 * 60 * 1000)); var week = math.floor(days / 7) % 2; $('#week').val(week + 1); $('#day').val($.datepicker.formatdate('dd', date)); $('#work').val(roster[week * 7 + date.getday() - 1]); }}); }); </script> </head> <body> <p>date: <input type="text" id="date"></p> <p>day: <input type="text" id="day"></p> <p>week: <input type="text" id="week"></p> <p>work: <input type="text" id="work"></p> </body> </html>
you missing firstday: 1
param.
<html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script> <link rel="stylesheet" href="http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css" /> <script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script> <script type="text/javascript" src="/scripts/jquery.ui.datepicker-it.js"></script> <script> $(function() { var weekstart = new date(2017, 1, 27); var roster = ['work', 'off', 'off', 'work', 'work', 'work', 'work', 'off', 'work', 'work', 'work', 'off', 'off', 'work']; $('#date').datepicker({ firstday: 1, mindate: weekstart, onselect: function(datestr) { var date = $(this).datepicker('getdate'); var days = math.floor((date.gettime() - weekstart.gettime()) / (24 * 60 * 60 * 1000)); var week = math.floor(days / 7) % 2; $('#week').val(week + 1); $('#day').val($.datepicker.formatdate('dd', date)); $('#work').val(roster[week * 7 + date.getday() - 1]); }}); }); </script> </head> <body> <p>date: <input type="text" id="date"></p> <p>day: <input type="text" id="day"></p> <p>week: <input type="text" id="week"></p> <p>work: <input type="text" id="work"></p> </body> </html>
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