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What is a simple way to pass DateTimePicker to value and read from value?

I've read the documents for the Bootstrap DateTimePicker but I can't seem to work out how to read a value or pass a value to the html attribute tag "value".
For example I want the value to display in the TimeDatePicker but it does not show up. And if I was to add a TimeDate in the TimeDatePicker I want to also make that appear in a value tag.
The values are being read from the backend in Python.
<div class="container">
<div class="row">
<div class='col-sm-6'>
<div class="form-group">
<div class='input-group date' id='datetimepicker1'>
<input type='text' class="form-control" value="2017-03-08 08:00:00">
<span class="input-group-addon">
<span class="glyphicon glyphicon-calendar"></span>
</span>
</div>
</div>
</div>
$(function () {
$('#datetimepicker1').datetimepicker();
});
https://jsfiddle.net/8g2g8n3o/5/

You have to set the format of date time. Here's a demo.
$('#datetimepicker1').datetimepicker({
// set date time format
format: 'YYYY-MM-DD hh:mm:ss'
});
$('#datetimepicker1').on('dp.change', function() {
// date time change event
console.log($('#datetimepicker1').find('input').val()) // get selected date time
})
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.21.0/moment.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.47/js/bootstrap-datetimepicker.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet" />
<div class="container">
<div class="row">
<div class='col-sm-6'>
<div class="form-group">
<div class='input-group date' id='datetimepicker1'>
<input type='text' class="form-control" value="2017-03-08 08:00:00">
<span class="input-group-addon">
<span class="glyphicon glyphicon-calendar"></span>
</span>
</div>
</div>
</div>
</div>

Timepicker not showing time on a single click

I have two input boxes one is for selecting date and another for time. I am trying to validate these two boxes based on some conditions, such that if the date is not selected, the time should not get selected.
I'm using eonasdan datetimepicker, I'm getting the desired output but not with the single click on a timepicker. Can some one help me out with this?
Here's what I have done so far:
function starttime(){
$('#starttime').datetimepicker({
format: 'HH:mm',
minDate: new Date()
});
}
$('.start_time_addon').on('click keyup',function(){
var x = $('#start').val();
if (x == '') {
alert('please select startdate first');
return false;
}
else{
starttime();
}
});
var datePickerSix= $('.datetimepicker6');
$(datePickerSix).datetimepicker({
format: 'DD/MM/YYYY',
minDate: new Date()
});
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/>
<link href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.47/css/bootstrap-datetimepicker-standalone.min.css" rel="stylesheet"/>
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.18.1/moment-with-locales.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.47/js/bootstrap-datetimepicker.min.js"></script>
<div class="row">
<div class="col-xs-6">
<div class="form-group">
<label>Start Date</label><br>
<div class='input-group date datetimepicker6'>
<input type='text' class="form-control" id="start" name="date_end" placeholder="DD/MM/YYYY"/>
<span class="input-group-addon">
<span class="glyphicon glyphicon-calendar"></span>
</span>
</div>
<div class="col-xs-6">
<div class="form-group">
<label for="start_time" class="col-form-label">Start Time</label>
<div class='input-group date start_time_addon' id='starttime'>
<input type='text' class="form-control" placeholder="HH : MM" id="Start_Time" required />
<span class="input-group-addon">
<span class="glyphicon glyphicon-time"></span>
</span>
</div>
</div>
</div>
</div>
</div>
</div>

The problem is that you initialize the time picker only after a click on it, so on the first click the datetimepicker is not already built. Move starttime initialization from starttime to document.ready.
I suggest to disable starttime datetimepicker when the user can not select hours. You can use disable() and enable() method of the datetimepicker.
Use date() method to get datetimepicker selected date and you can listen to dp.change event to known when the user selects a date.
Here a complete example:
$('#startdate').datetimepicker({
format: 'DD/MM/YYYY',
minDate: new Date()
}).on('dp.change', function(e){
if( e.date ){
// Enable timepicker only if date is selected
$('#starttime').data("DateTimePicker").enable();
} else {
$('#starttime').data("DateTimePicker").disable();
}
});
$('#starttime').datetimepicker({
format: 'HH:mm',
minDate: new Date(),
useCurrent: false
});
// Disable time picker
$('#starttime').data("DateTimePicker").disable();
$('.start_time_addon').on('click keyup',function(){
var x = $('#startdate').data("DateTimePicker").date();
if ( !x ) {
alert('please select startdate first');
return false;
}
});
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/>
<link href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.47/css/bootstrap-datetimepicker.css" rel="stylesheet"/>
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.18.1/moment-with-locales.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.47/js/bootstrap-datetimepicker.min.js"></script>
<div class="row">
<div class="col-xs-6">
<div class="form-group">
<label>Start Date</label><br>
<div class='input-group date datetimepicker6' id="startdate">
<input type='text' class="form-control" id="start" name="date_end" placeholder="DD/MM/YYYY"/>
<span class="input-group-addon">
<span class="glyphicon glyphicon-calendar"></span>
</span>
</div>
<div class="col-xs-6">
<div class="form-group">
<label for="start_time" class="col-form-label">Start Time</label>
<div class='input-group date start_time_addon' id='starttime'>
<input type='text' class="form-control" placeholder="HH : MM" id="Start_Time" required />
<span class="input-group-addon">
<span class="glyphicon glyphicon-time"></span>
</span>
</div>
</div>
</div>
</div>
</div>
</div>
I've added useCurrent: false option to timepicker to prevent getting current time.

How to add seconds to Bootstrap date time picker

I am using the Bootstrap datatimepicker (https://eonasdan.github.io/bootstrap-datetimepicker/). It's great but it does not show or let the user select seconds.
$(document).ready(function () {
$('#datetimepicker1').datetimepicker({defaultDate: new Date()});
});
<div class='input-group date' id='datetimepicker1'>
<input type='text' class="form-control" />
<span class="input-group-addon">
<span class="glyphicon glyphicon-calendar"></span>
</span>
</div>
So how to select seconds as well? And how to get seconds to show in the format? Currently it's 05/18/2017 1:26 PM, I want 05/18/2017 1:26:40 PM
In the dev guide, there is a fillSeconds() function but I am not sure how to apply it here.

Setting the format to the correct value from moment and sideBySide:
$('#datetimepicker1').datetimepicker({
defaultDate: new Date(),
format: 'DD/MM/YYYY hh:mm:ss A',
sideBySide: true
});
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://code.jquery.com/jquery-2.1.1.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.17.1/moment.min.js"></script>
<link rel="stylesheet"
href="https://rawgit.com/Eonasdan/bootstrap-datetimepicker/master/build/css/bootstrap-datetimepicker.min.css">
<script src="https://rawgit.com/Eonasdan/bootstrap-datetimepicker/master/build/js/bootstrap-datetimepicker.min.js"></script>
<div class="container">
<div class="row">
<div class='col-sm-6'>
<div class="form-group">
<div class='input-group date' id='datetimepicker1'>
<input type='text' class="form-control"/>
<span class="input-group-addon">
<span class="glyphicon glyphicon-calendar"></span>
</span>
</div>
</div>
</div>
</div>
</div>

$(document).ready(function () {
$('#datetimepicker1').datetimepicker({
defaultDate: new Date()});
}).fillseconds();
Try this way.

datetimepicker bootstrap eonasdan

I need to get the changed value in the datetimepicker.
I tried
$('#startDate').datetimepicker().on('dp.change', function (event) {
console.log(event.date);
});
And :
$('#startDate').datetimepicker().on('dp.hide', function (event) {
console.log(event.date);
});
But the result is the value before the change.
Help me to understand please.

i think this is what you want (just edit the $('input') with your element ID or class name:
https://jsfiddle.net/yqgxd472/
<div class="container">
<div class="row">
<div class='col-sm-6'>
<br>
<br>
<br>
<div class="form-group">
<div class='input-group date' id='datetimepicker1'>
<input type='text' class="form-control" />
<span class="input-group-addon">
<span class="glyphicon glyphicon-calendar"></span>
</span>
</div>
</div>
</div>
</div>
</div>
js:
$(function() {
$('input').datetimepicker({
format: 'YYYY-MM-DD H:m:s'
});
});
$('input').datetimepicker().on('dp.change', function(event) {
console.log(moment(event.date).format('YYYY-MM-DD')); // using moment.js
});

Datepicker not showing - Bootstrap

So this is the markup of the datepicker:
<div class="form-group row">
<div class="col-xs-3 col-md-offset-9">
<label class="control-label">Pick Date</label>
<div class="input-group date" id="dp3" data-date="12-02-2012" data-date-format="mm-dd-yyyy">
<input class="form-control" type="text" readonly="" value="12-02-2012">
<span class="input-group-addon"><i class="glyphicon glyphicon-calendar"></i></span>
</div>
</div>
</div>
Actually, it looks like this:
However, when I click the calendar icon there's no table-look-a-like date picker showing.
I've included the following css and js:
<link href="css/bootstrap.css" rel="stylesheet">
<link href="css/datepicker.css" rel="stylesheet">
<script type="text/javascript"src="js/jquery-2.0.3.js"></script>
<script type="text/javascript"src="js/bootstrap.js"></script>
<script type="text/javascript"src="js/bootstrap-datepicker.js"></script>
I also have called the function at <head></head> and at the end of the <body></body> just to make sure. But, still no response when I click the button.
<script type="text/javascript">
$(document).ready(function() {
$("#dp3").datepicker({ autoclose: true, todayHighlight: true });
});
$(window).on('load',function(){
$("#dp3").datepicker({ autoclose: true, todayHighlight: true });
});
</script>
I have changed some of the CSS JS code because of the Bootstrap 3 updated code, source: http://kenyontechnology.com/2013/10/08/datepicker-for-bootstrap-with-twitter-bootstrap-3-0/
So, I want to have a table-look-a-like datepicker when I click the calendar button. Any help? Thanks.

I ran into a similar issue - in my case in the jQuery wiring $('#someid').datepicker() 'someid' was the id of the 'input' and where it should have been of the container div. which means - it worked when you click the input box but not the glyphicon button.
I have a working copy fiddle is here :
jsfiddle
The jsfiddle code is here : (Note: the reference to jQuery 2.0.2 and also the external reosurces tab in jsFiddle editor)
http://jsfiddle.net/Lro8kxjx/6/
<div class="col-xs-6 ">
<div class="form-group ">
<div class='input-group date' id='datepicker'>
<input type="text" id="processdate" class="form-control" placeholder="Processing Date..." name="processdate" /> <span class="input-group-addon btn"><i class="glyphicon glyphicon-calendar"></i> </span>
</div>
</div>
$(document).ready(function () {
$('#datepicker').datepicker({
startDate: '-180d',
endDate: '+1d',
autoclose: true
}); });