How to check date with current date using jQuery

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长情又很酷
长情又很酷 2020-12-11 08:27

I want to check my date is greater than current date

$(\"#EndDate\").val() =\"5/13/2014\" ->M/d/y

Please find below code



        
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6条回答
  • 2020-12-11 08:53

    i found solution my self by modifying code like this

    if (Date.parse(new Date().setHours(0, 0, 0, 0)) > Date.parse($("#EndDate").val())) {
    //
    }
    

    to avoid time comparison. is there any other better way to do compare dates in efficient manner without any plugin.

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  • 2020-12-11 09:09

    However, I am late to answer this, but here is my approach to solve this issue:

    var TodayDate = new Date();
    var endDate= new Date(Date.parse($("#EndDate").val()));
    
    if (endDate> TodayDate) {
        // throw error here..
    }
    
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  • 2020-12-11 09:11

    Your asking for

    check my date is greater than current date

    and your giving us this ..

    if (Date.parse(new Date()) > Date.parse($("#EndDate").val())) { 
        //condition satisfied for today date too.
    }
    

    just have to reverse your condition like that :

    if (Date.parse(new Date()) < Date.parse($("#EndDate").val())) { 
        //condition satisfied for today date too.
    }
    
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  • 2020-12-11 09:17
    var startDate = moment.parse("18/02/2013", "DD/MM/YYYY");
    var today = new Date();
    var dd = today.getDate();
    var mm = today.getMonth()+1; //January is 0!
    var yyyy = today.getFullYear();
    
    if(dd<10) {
        dd='0'+dd
    } 
    
    if(mm<10) {
        mm='0'+mm
    } 
    
    today = dd+'/'+mm+'/'+yyyy;
    
    
    if (today.isAfter(startDate)) {
    ...
    }
    
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  • 2020-12-11 09:18

    If:

    $("#EndDate").val();
    

    returns a string in m/d/y format, you can turn that into a date object using:

    function parseDate(s) {
      var b = s.split(/\D/);
      return new Date(b[2], --b[0], b[1]);
    }
    

    To create a comparable date, do what you are already doing:

    var today = new Date();
    today.setHours(0,0,0,0);
    

    So now you can do:

    if (parseDate($("#EndDate").val()) > today) {
      // date is greater than today
    }
    

    or if you really must:

    if (+parseDate($("#EndDate").val()) > new Date().setHours(0,0,0,0)) ...
    

    Please note that when you do:

    Date.parse(new Date().setHours(0, 0, 0, 0))
    

    firstly a new date is created from new Date(). Calling setHours() sets the time value, but the return value from the call is the UTC time value of the Date object.

    Date.parse expects a string that looks something like a date and time, so if you pass it a number time value something like 1399903200000, the implementation will fall back to some implementation heuristics to either turn it into a Date or NaN.

    So please don't do that. Parsing any string with Date.parse is implementation dependent (even the strings specified in ECMA5) and will return different results in different browsers. So please don't do that either.

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  • 2020-12-11 09:19

    Try as below:

    var end_date    = "05/12/2014"
    if(new Date() > new Date(end_date))
    {   
     alert('End date should be greater than Start date');
    }
    

    fiddle

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