Check If Valid Jquery Date

Question

I want to check if the user has selected a valid date. When i call getDateFilteredComments() method. I need to capture that in the IF condition.

 $("#StartDate").datepicker({
  dateFormat: "d M y"
});

function getDateFilteredComments() {

  if (Condition) {
    alert("Valid");
  } else {
    alert("Not Valid");
  }

}

Why wouldn't the user select a valid date, what other options are there with a datepicker ? — adeneo
– adeneo, Commented Sep 21, 2016 at 3:37
@adeneo user can type random text as well,so i need to restrict that — Hudhaifa Yoosuf
– Hudhaifa Yoosuf, Commented Sep 21, 2016 at 3:38
@adeneo this wont help, can i restrict the user from entering a date, but he should be able to select it — Hudhaifa Yoosuf
– Hudhaifa Yoosuf, Commented Sep 21, 2016 at 3:41
You only need a date that pick from a datapicker not a random input right? — KiRa
– KiRa, Commented Sep 21, 2016 at 7:47

Beginner · Accepted Answer · 2016-09-21 06:34:14Z

4

just convert your string to date using new Date(dateString) also change your date format I don't think that's valid

function getDateFilteredComments() {

  if (new Date($("#StartDate").val()) != "Invalid Date") {
    alert("Valid");
  } else {
    alert("Not Valid");
  }

}

answered Sep 21, 2016 at 6:34

Beginner

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1 Comment

JohnPete22 Over a year ago

Couldn't use the .val() but I was able to use .toString() and the same logic is applied (i.e. Invalid Date is still returned if fails to convert). Not sure if it changed, or if my constructor was different.

KiRa · Accepted Answer · 2016-09-21 07:57:09Z

1

If you want to restrict the user to input anything and accept Date from the data picker try this one JSFIDDLE.

Hope it will help you.

answered Sep 21, 2016 at 7:57

KiRa

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1 Comment

KiRa Over a year ago

Glad to help you friend.

Asifuzzaman · Accepted Answer · 2016-09-21 06:54:26Z

0

you can try this

<script type="text/javascript">

 function fu(){

 var text = document.getElementById("it").value;
 var take = text.split('/');
  var mo = parseInt(take[0], 10);
 var da = parseInt(take[1], 10);
  var ye = parseInt(take[2], 10);
 var date = new Date(ye,mo-1,da);
 if (date.getFullYear() == ye && date.getMonth() + 1 == mo && date.getDate()
   ==  da) {
   alert('Valid date input');
    } else {
    alert('Invalid date input');
  }
   }
</script>


<input type="text" id="it" placeholder="Add date..."/>

<input type="submit" id="ad" onclick="fu()" value="testd"/>

answered Sep 21, 2016 at 6:54

Asifuzzaman

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