CODEWITHSUNDEEP
jquerydate
Kent Miller
Kent Miller

Reputation: 509

jQuery: time function outputs wrong number of days

I need to calculate the day difference between two dates and have the problem with my code. For example, the target date is contained in an input-field (id="targetdate") and has the format dd/mm/yyyy:

09.02.2014

I have the following code:

targetdate = $('#targetdate').val();

// the format is "dd/mm/yyyy", so I need to write the following extra code:                 
var day = targetdate.substring(0,2);
var month = targetdate.substring(3,5);
var year = targetdate.substring(6,10);          

// Calculation difference of days
var oneDay = 24*60*60*1000;  // hours*minutes*seconds*milliseconds
var endDate = new Date(year,month,day);
var today = new Date();
var diffDays = (Math.round(Math.abs((endDate.getTime() - today.getTime())/(oneDay))));

I get wrong results with the code:

Where is the problem?

Upvotes: 2

Views: 162

Answers (1)

T.J. Crowder
T.J. Crowder

Reputation: 1074495

When constructing a Date instance, the "months" value starts with zero for January, so:

var endDate = new Date(year,month-1,day);
// You need to remove one -------^^

Also note that you should be parsing those strings, e.g.:

var day = parseInt(targetdate.substring(0,2), 10);
var month = parseInt(targetdate.substring(3,5), 10);
var year = parseInt(targetdate.substring(6,10), 10);

Upvotes: 3

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