Date Comparison using javascript in Mozilla firefox is not working?Plz help me

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I have to compare start date with today date and end date with start date .This function works fine in Google chrome but does not works in Mozilla firefox Why???
Dates are in Format dd-MMM-yyyy

JavaScript

function DateCheck(element, name) {
            var todaydate = new Date();
            var year = new Date().getFullYear();
            var month = new Date().getMonth();
            var firstDate = new Date(year, month, 1);
            var dateString1 = (document.getElementById("<%= txtStartDate.ClientID %>").value)
            var myDate1 = new Date(dateString1);
            var dateString2 = (document.getElementById("<%= txtEndDate.ClientID %>").value)
            var myDate2 = new Date(dateString2);
            if (myDate1 < todaydate) {
                alert('Start date must be greater than Today date.');
                document.getElementById("<%= txtStartDate.ClientID %>").value = "";
                return;
            }
            else if (myDate1 > myDate2) {
                alert('End date must be greater than Start date.');
                document.getElementById("<%= txtEndDate.ClientID %>").value = "";
                return;
            }
        }

Posted 17-Nov-14 20:14pm

Neha Mukesh

Updated 5-Jun-16 19:26pm

Kornfeld Eliyahu Peter

v3

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Comments

Kornfeld Eliyahu Peter 18-Nov-14 5:01am

'not working' is not a good description of any problem...
Try to describe what you have and how it differs from what you have expected...
Do you got any error - share it!
Also! FF has one of the best JavaScript debugger, use it!

Neha Mukesh 18-Nov-14 6:38am

var myDate1 = new Date(dateString1);
shows invalid date .could you please explain me now how to solve this problem

Kornfeld Eliyahu Peter 18-Nov-14 7:04am

What the value of dateString1?

Neha Mukesh 18-Nov-14 7:24am

datestring1=10-Nov-2014

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 18-Nov-14 5:47am

Debug and see what's the issue.

Neha Mukesh 18-Nov-14 6:38am

var myDate1 = new Date(dateString1);
shows invalid date .could you please explain me now how to solve this problem

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 18-Nov-14 6:48am

While debugging see what is the dateString1? Are you using DatePickers?

Neha Mukesh 18-Nov-14 7:24am

datestring1=10-Nov-2014

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Kornfeld Eliyahu Peter · Answer 1 · 2014-11-18T01:59:00

Solution 1

You are passing a string that represents a date. Date object can not understand it without some help...
However JavaScript Data object has a helper method - parse()[^]...
Using it you can convert your string to JavaScript date...

JavaScript

var myDate1 = new Date(Date.parse(dateString1));

Posted 18-Nov-14 1:59am

Kornfeld Eliyahu Peter

Comments

Manas Bhardwaj 18-Nov-14 8:01am

yes +5

Kornfeld Eliyahu Peter 18-Nov-14 8:05am

Thank you...

Anil_goswami · Answer 2 · 2016-06-05T19:26:00

Solution 3

You can use

JavaScript

YOURDATE.replace(/-/gm, '/')

instead of

JavaScript

Date.parse(YOURDATE.replace('-', '/').replace('-', '/')

Posted 5-Jun-16 19:26pm

Anil_goswami

Updated 5-Jun-16 19:27pm

v2

vishal_jaimataji · Answer 3 · 2016-06-04T02:31:00

C#

Javascript is best but weird.

Try following and you will not get Invalid date in any browser.

var NEWDATE = Date.parse(YOURDATE.replace('-', '/').replace('-', '/'));
                if (!isNaN(NEWDATE)) {
                    NEWDATE= new Date(NEWDATE);
                   console.log(NEWDATE.getDate());
                   }

Date Comparison using javascript in Mozilla firefox is not working?Plz help me

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