ansaurus

Question

jquery question

Answer 1

A:

what about:

$("#startdate").change(function() {
  // code here
});

RC 2010-06-08 06:01:56

isnt it true that this event will b functional only when the state of checkbox changes?, I mean I need the event for checkbox selected as default when page is refreshed.. just confirming as per my understanding.. may be I am Wrong

OM The Eternity 2010-06-08 06:05:28

No, this event will fire on every "change". For the checkbox to be checked by default use the HTML attribute `checked=checked`

RC 2010-06-08 06:07:12

Answer 2

+2 A:

You would want the value to be copied whenever there is a change, so you can use the keypress event:

function copyDate() {
  if($("#checker").is(":checked")){
    $("#enddate").val($("#startdate").val());
  }
}

$(function(){
  $("#startdate").keypress(copyDate).click(copyDate);
});

Guffa 2010-06-08 06:03:38

@Guffa what if i uncheck the checkbox and and change the startdate and then again recheck the checkbox? I did it, but it didn't replicated to enddate, Pls help

OM The Eternity 2010-06-08 09:23:46

@OM: Right, you would need the event on `click` also to handle that. I changed the code above.

Guffa 2010-06-08 13:32:34

Answer 3

A:

Your question isn't very clear. It seems to me that you want to have the checkbox checked when the page loads, and that the start date is copied to the end date also:

$(document).ready(function() {
  $("#checker").attr("checked","checked");
  $("#enddate").val($("#startdate").val());
});

EDIT:

combined with your event handler:

$(document).ready(function() {
   function checker() {
       if ($("#checker").is(":checked"))
          $("#enddate").val($("#startdate").val());
       else
          $("#enddate").val("");
   }

   $("#checker")
     .click(checker)
     .attr("checked","checked");

   checker();
});

This looks complicated, but there's a problem with jQuery: when setting the "checked" attribute, firing the event handler right away using .click() will not work because the .is(":checked") function will not return the changed value (I don't know why, but that's how it is).

Philippe Leybaert 2010-06-08 06:06:13

+1 for ur correct understanding :) but i need the solution along with functionalty I am using, i mean both ur solution and my click event has to be functional...

OM The Eternity 2010-06-08 06:11:20

Its Not working

OM The Eternity 2010-06-08 07:22:19

@Philippe ur solutionas are not working, pls help

OM The Eternity 2010-06-08 08:55:43

None of the solutions found to be working

OM The Eternity 2010-06-08 09:21:48

I've made changes. Tested it and it seems to be working. See http://jsbin.com/itaga3/5

Philippe Leybaert 2010-06-08 10:16:53

Answer 4

A:

First of all you have two options for checkbox to be checked by default... 1) from the html where the checkbox was defined using

checked='checked'

2) from jquery using

$(document).ready(function() { $("#checker").attr("checked","checked"); )};

Now coming to the main point... which is already mentioned above by 'Guffa'

$("#startdate").keypress(function(){
if($("#checker").is(":checked")){
  $("#enddate").val($("#startdate").val());
}

});

booota 2010-06-08 06:15:42

ansaurus

tags:

views:

answers:

jquery question

related questions