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jquery - parent element not being removed [duplicate]

This question already has answers here:
Event binding on dynamically created elements?
(23 answers)
Closed 1 year ago.
The code:
$('.del').click(function(e){
$(this).parents('.order-item').remove();
if($('.order-item').length == 0){
$('#order-items').append(Data.order_item_clone)
}
})
What am I doing wrong? As you can see, I am trying to remove the parent element '.order-item' based on the '.del' element clicked. Nothing is happening. This is what the html looks like:
<div class="col-md-3" id="order-items">
<div class="order-item">
<div class="col-md-1 nhp" id="side">
</div>
<div class="col-md-7 nhp">
<div class="col-md-3 obox-num obox">
</div>
<div class="col-md-9 obox-purity obox">
</div>
<div class="col-md-4 obox-info obox-price obox">
</div>
<div class="col-md-4 obox-info obox-weight obox">
</div>
<div class="col-md-4 obox-info obox-total-price obox">
</div>
</div>
<div class="col-md-2 nhp">
<button class="del" style="width:100%; height:77px"> Del </button>
</div>
<div class="col-md-2 nhp">
<button class="print" style="width:100%; height:77px"> Print </button>
</div>
</div>
</div>
For the most part, this html is generated dynamically with javascript/jquery. Can anyone help? Thanks in advance
Edit: When I do $('.del').eq(0).parents('.order-item').remove() things work find, so there is something wrong with $(this)

$(document).on('click','.del', function(e){
$(this).parents('.order-item').remove();
if($('.order-item').length == 0){
alert("append now");
// $('#order-items').append(Data.order_item_clone)
}
})
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="col-md-3" id="order-items">
<div class="order-item">
<div class="col-md-1 nhp" id="side">
</div>
<div class="col-md-7 nhp">
<div class="col-md-3 obox-num obox">
alpha
</div>
<div class="col-md-9 obox-purity obox">
beta
</div>
<div class="col-md-4 obox-info obox-price obox">
gamma
</div>
<div class="col-md-4 obox-info obox-weight obox">
yellow
</div>
<div class="col-md-4 obox-info obox-total-price obox">
blue
</div>
</div>
<div class="col-md-2 nhp">
<button class="del" style="width:100%; height:77px"> Del </button>
</div>
<div class="col-md-2 nhp">
<button class="print" style="width:100%; height:77px"> Print </button>
</div>
</div>
</div>
Since you mentioned, the html are loaded dynamically, you need to bind the click to document and capture the element.
$(document).on('click','.del', function(e){

Search for text inside div and all his childs

I would like to hide an entire div when there isn't the text i'm writing inside a input form.
For now i'm able to search inside all childs div and hide every child div if there isn't the text.
But i have a problem right now, example:
<div class="col-9 infos">
<div class="row">
<div class="col-4 nome">
<b>Nome: </b> Davide
</div>
<div class="col-4 regione">
<b>Regione: </b> Reggio
</div>
<div class="col-4 citta">
<b>Città: </b>Citta "
</div>
</div>
<div class="row">
<div class="col-4 dataNascita">
<b>Data di nascita: </b>02-02-1992
</div>
<div class="col-4 coaching">
<b>Coaching online: </b>Sì
</div>
<div class="col-4 sesso">
<b>Sesso: </b>Maschio
</div>
</div>
<div class="row border-bottom">
<div class="col-6 blurry-text cellulare">
<b>Cellulare: </b> 1231231231
</div>
<div class="col-6 blurry-text email">
<b>Email: </b>asdaklsnd#gmail.com
</div>
</div>
<div class="row descriptionText">
<div class='col-10 descrizione'> aksjdbaksjbdkajs asdasdas </div>
<div class='col-2 align-items-center'>
<button type='button'>Profilo</button>
</div>
</div>
</div>
if i search Davide all the others childs of the .infos div will be hidden since they doesn't contain the text, but i would like to keep them visible if there is another child that actually contain the text.
I've created an example here for testing : https://jsfiddle.net/hj9r2L4u/6/
I would like to have the possibility to input more words for the search bar, image having 2 users with name Davide, but with different city, i would like to input something like
Da City2
With "Da" i actually show both div, then with City2 i hide the div that doesn't have the text in it.
The code i'm actually using is:
jQuery("#searchPt").on("keyup", function() {
var value = $(this).val().toLowerCase();
jQuery(".information").filter(function() {
$(this).toggle($(this).text().toLowerCase().indexOf(value) > -1)
});
});

You could wrap the rows and target this as the containing element, see the snippet below:-
jQuery("#searchPt").on("keyup", function() {
var value = $(this).val().toLowerCase();
jQuery('.row').filter(function() {
$(this).toggle($(this).text().toLowerCase().indexOf(value) > -1)
});
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<div class="container w-100 h-100">
<input id="searchPt">
<div id="goToProfile">
<div class="information">
<div>
<img alt="Immagine profilo">
<div class="results">
<div class="results-content">
<span class="stars">3</span>
</div>
</div>
</div>
<div class="col-9 infos">
<div class="rowWrap">
<div class="row">
<div class="col-4 nome\"><b>Nome: </b> Davide </div>
<div class="col-4 regione\"><b>Regione: </b> Reggio </div>
<div class="col-4 citta\"><b>Città: </b>Citta "</div>
</div>
<div class="row">
<div class="col-4 dataNascita\"><b>Data di nascita: </b>02-02-1992</div>
<div class="col-4 coaching\"><b>Coaching online: </b>Sì</div>
<div class="col-4 sesso\"><b>Sesso: </b>Maschio</div>
</div>
<div>
<div class="rowWrap">
<div class="row border-bottom\">
<div class="col-6 blurry-text cellulare\"><b>Cellulare: </b> 1231231231 </div>
<div class="col-6 blurry-text email\"><b>Email: </b>asdaklsnd#gmail.com</div>
</div>
<div class="row descriptionText \">
<div class='col-10 descrizione'> aksjdbaksjbdkajs asdasdas </div>
<div class='col-2 align-items-center'><button type='button'>Profilo</button></div>
</div>
</div>
</div>
<div class="information">
<div>
<img alt="Immagine profilo">
<div class="results">
<div class="results-content">
<span class="stars">3</span>
</div>
</div>
</div>
<div class="col-9 infos">
<div class="row">
<div class="col-4 nome\"><b>Nome: </b> Simone </div>
<div class="col-4 regione\"><b>Regione: </b> Reggio </div>
<div class="col-4 citta\"><b>Città: </b>Emilia</div>
</div>
<div class="row\">
<div class="col-4 dataNascita\"><b>Data di nascita: </b>02-04-1992</div>
<div class="col-4 coaching\"><b>Coaching online: </b>No</div>
<div class="col-4 sesso\"><b>Sesso: </b>Femmina</div>
</div>
<div class="row border-bottom\">
<div class="col-6 blurry-text cellulare\"><b>Cellulare: </b> 1231231231 </div>
<div class="col-6 blurry-text email\"><b>Email: </b>asdakl12412snd#gmail.com</div>
</div>
<div class="row descriptionText \">
<div class='col-10 descrizione'> aksjdbaksjb15251212612612612dkajs asdasdas </div>
<div class='col-2 align-items-center'><button type='button'>Profilo</button></div>
</div>
</div>
</div>
</div>
</div>

For multiple criteria, do a split and test each value with some short-circuit logic:
jQuery("#searchPt").on("keyup", function() {
var value = $(this).val().toLowerCase().split();
jQuery(".information").filter(function() {
for(var i=0; i<value.length; i++){
if($(this).text().toLowerCase().indexOf(value[i]) === -1) {
$(this).toggle(false)
return false;
}
}
$(this).toggle(true);
return true
});
});

How to add a loop for set of div classes?

These are the set of divs where i want to add the loop on some count.
I have tried jquery and javascript but doesn't work. Please help out.
It takes a count from checkbox and the count is values selected in checkbox the following set of divs need be populated dynamically. I have written a jquery that gets the count as well as the checkbox values.As and when user selects these boxes the set of divs need to be appear as the number of counts.
function arrayValues(item, index)
{
var cd = $("input[name=car_damage]:checked");
var eg = cd.map(function () {return this.value;}).get().join(",");
var temp = new Array();
temp = eg.split(",");
text="";
alert(temp);
//alert(eg);
var ef = cd.size();
alert(ef);
}
Checkbox code:
<hr>
<div class="car_map" id="carmap">
<div class="row">
<div class="col-xs-6 col-xs-offset-3 col-sm-4 col-sm-offset-4">
<div class="item">
Front
<input type="checkbox" name="car_damage" value="Front" />
</div>
</div>
</div>
<div class="row">
<div class="col-xs-5 col-sm-4">
<div class="item">
Front Wing Left
<input type="checkbox" name="car_damage" value="Front Wing Left"/>
</div>
</div>
<div class="col-xs-5 col-xs-offset-2 col-sm-4 col-sm-offset-4">
<div class="item">
Front Wing Right
<input type="checkbox" name="car_damage" value="Front Wing Right"/>
</div>
</div>
</div>
<div class="row margin-bottom">
<div class="col-xs-6 col-xs-offset-3 col-sm-4 col-sm-offset-4">
<div class="item">
Bonnet
<input type="checkbox" name="car_damage" value="Bonnet"/>
</div>
</div>
</div>
<div class="row">
<div class="col-xs-6 col-xs-offset-3 col-sm-4 col-sm-offset-4 ">
<div class="item">
Windscreen
<input type="checkbox" name="car_damage" value="Windscreen"/>
</div>
</div>
</div>
<div class="row margin-bottom">
<div class="col-xs-5 col-sm-4">
<div class="item">
Front Door Left
<input type="checkbox" name="car_damage" value="Front Door Left"/>
</div>
</div>
<div class="col-xs-5 col-xs-offset-2 col-sm-4 col-sm-offset-4">
<div class="item">
Front Door Right
<input type="checkbox" name="car_damage" value="Front Door Right"/>
</div>
</div>
</div>
<div class="row margin-bottom">
<div class="col-xs-6 col-xs-offset-3 col-sm-4 col-sm-offset-4 ">
<div class="item">
Roof
<input type="checkbox" name="car_damage" value="Roof"/>
</div>
</div>
</div>
<div class="row">
<div class="col-xs-5 col-sm-4">
<div class="item">
Back Door Left
<input type="checkbox" name="car_damage" value="Back Door Left"/>
</div>
</div>
<div class="col-xs-5 col-xs-offset-2 col-sm-4 col-sm-offset-4">
<div class="item">
Back Door Right
<input type="checkbox" name="car_damage" value="Back Door Right"/>
</div>
</div>
</div>
<div class="row">
<div class="col-xs-6 col-xs-offset-3 col-sm-4 col-sm-offset-4 ">
<div class="item">
Rear Windscreen
<input type="checkbox" name="car_damage" value="Rear Windscreen"/>
</div>
</div>
</div>
<div class="row">
<div class="col-xs-5 col-sm-4">
<div class="item">
Rear Left
<input type="checkbox" name="car_damage" value="Rear Left"/>
</div>
</div>
<div class="col-xs-5 col-xs-offset-2 col-sm-4 col-sm-offset-4">
<div class="item">
Rear Right
<input type="checkbox" name="car_damage" value="Rear Right"/>
</div>
</div>
</div>
<div class="row">
<div class="col-xs-6 col-xs-offset-3 col-sm-4 col-sm-offset-4 ">
<div class="item">
Rear
<input type="checkbox" name="car_damage" value="Rear"/>
</div>
</div>
</div>
</div>
<div class="row">
<div class="col-xs-12 col-sm-4 col-md-4">
<div class="btn btn-custom btn-sm btn-decline center-block" data-scroll="step3">Back</div>
</div>
<div class="col-xs-12 col-sm-4 col-md-4">
<div class="btn btn-custom btn-sm btn-decline center-block">Save For Later</div>
</div>
<div class="col-xs-12 col-sm-4 col-md-4">
<div class="btn btn-sm btn-custom center-block" data-scroll="step5" id="add_trip" onclick="arrayValues()">Continue</div>
</div>
</div>
</div>
<hr>
<div class="col-xs-12 col-sm-6">
<div class="form-label">
Rear
</div>
<div class="photo-picker" id="photo-picker">
</div>
</div>
<div class="col-xs-12 col-sm-6">
<div class="box photos">
<div class="row">
<div class="col-xs-12">
<h4>Photo Instructions</h4>
</div>
</div>
<div class="photo-sample" id="photo-sample">
<div class="row">
<div class="col-xs-12">
<div class="form-sublabel">
Stand approx. 2m back from the Rear of the vehicle.</div>
<imgsrc="/hfiprojectstorefront/_ui/desktop/common/hfiproject/images/placeholder-photo.png" class="img-responsive center-block" alt="" />
</div>
</div>
</div>
<div class="photo-real" id="photo-real">
<div class="row">
<div class="col-xs-12">
<div class="cont">
<video id="v" class="img-responsive center-block"></video>
<div class="player-buttons" id="take" style="display:none;"></div>
</div>
<canvas id="canvas" style="display:none;"></canvas>
<img src="" id="photo" class="img-responsive center-block" />
</div>
<div class="col-xs-12">
<div class="form-label">
Was this photo taken at the scene?
</div>
</div>
<div class="col-xs-12">
<div class="list-group segmented-control">
<span class="list-group-item half active">
YES
<input type="radio" name="scene_photo" value="YES" checked="checked"/>
</span>
<span class="list-group-item half ">
NO
<input type="radio" name="scene_photo" value="NO"/>
</span>
</div>
</div>
<div class="col-xs-12">
<div class="form-label">
Optional Comment
</div>
</div>
<div class="col-xs-12">
<textarea class="form-control" name="optional" id="optional"></textarea>
</div>
</div>
<div class="row">
<div class="col-xs-12 col-sm-6">
Delete
</div>
<div class="col-xs-12 col-sm-6">
Save
</div>
</div>
</div>
</div>
</div>
<hr>

It is not clear the solution you are seeking.
However requiring the least amount of work would be creating a function to execute on change and jquery to manipulate your DOM elements not a great solution though if you require state management.
I believe a better solution would be use reactjs where use can create components and utilise jsx.
Or AngularJS frameworks where you can do an ng-repeat or custom directive that takes inputs to display your divs.

It's really not clear what you are trying to populate, but you can generate any DOM element dynamically like this.
fnCreateDOMElement = function(el, num, context) {
var e = document.createElement(el);
for(var i=0; i<num; i++){
document.context.appendChild(e);
}
}
above snippet could be utilized like this.
document.getElementById("populator").addEventListener('change', function(){
//reset contents of container if needed. comment if not needed
document.getElementById('container').innerHTML = "";
var times = this.value;
for(var i=0; i<times; i++) {
var mydiv = document.createElement('div');
var myparag = document.createElement('p');
mydiv.setAttribute('class', 'foo');
myparag.setAttribute('class', 'fooized');
var txt = document.createTextNode('Foo #'+(i+1));
myparag.appendChild(txt);
mydiv.appendChild(myparag);
document.getElementById('container').appendChild(mydiv);
}
});
<div id="container">
</div>
<input type="number" min="0" placeholder="how many?" id="populator">
above functions can be refactored with javascript's default/optional arguments.

How to create the following responsive layout with bootstrap?

I want to achieve these:
Computer view:
Tablet Portrait view:
Mobile Portrait view:
Currently I have this following code, where the "home-content" part will generate the items#1-items#X:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<link rel="stylesheet" href="../_lib/bootstrap/dist/css/bootstrap.min.css">
<link rel="stylesheet" href="../_lib/bootstrap/dist/css/bootstrap-theme.css">
<link rel="stylesheet" href="../_lib/normalize.css/normalize.css">
<link rel="stylesheet" href="index.css">
<script src="../_lib/jquery/jquery.min.js"></script>
<script src="../_lib/jquery/jquery.fittext.js"></script>
<script src="../_lib/bootstrap/dist/js/bootstrap.min.js"></script>
<script src="index.js"></script>
<title></title>
</head>
<body>
<script>
init();
</script>
<div class="home-bg"></div>
<div class="container-fluid">
<div class="row">
<div class="col-md-3">
<div class="home-noti">
<div class="news-noti">
<div class="news-panel panel">
<div class="news-title panel-heading">
<h2 class="panel-title">NEWSFLASH!</h2>
</div>
<div class="news-items-wrapper">
<ul id="news-items" class="news-items list-group"></ul>
</div>
</div>
</div>
</div>
</div>
<div class="col-md-9">
<div id="home-content" class="home-content"></div>
</div>
</div>
</div>
</body>
</html>
This piece of code can achieve the "Computer view" and "Tablet Portrait view". I could have done it in using 4 of "col-md-3" but that will mean sometimes I might get Notifications col with 2 items on the same row OR Notifications col with 1 item on the same row, which is not what I want. How do I achieve the "Mobile Portrait view" without breaking the layout of the previous 2?

You can use nested columns for this.
row
col-*-*
row
col-*-*
row
col-*-*
Review the Docs and view working example at Full Screen then reduce the viewport.
/**FOR DEMO PURPOSES ONLY**/
html,
body {
margin-top: 50px;
text-align: center;
}
.alert.alert-info {
height: 100px;
border-radius: 0;
}
.alert.alert-info-tall {
height: 340px;
border-radius: 0;
}
/**FOR DEMO PURPOSES ONLY**/
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet" />
<div class="container">
<div class="row">
<div class="col-lg-4">
<div class="row">
<div class="col-sm-12">
<div class="alert alert-info alert-info-tall">Notifications</div>
</div>
</div>
</div>
<div class="col-lg-8">
<div class="row">
<div class="col-sm-4">
<div class="alert alert-info">1</div>
</div>
<div class="col-sm-4">
<div class="alert alert-info">2</div>
</div>
<div class="col-sm-4">
<div class="alert alert-info">3</div>
</div>
<div class="col-sm-4">
<div class="alert alert-info">4</div>
</div>
<div class="col-sm-4">
<div class="alert alert-info">5</div>
</div>
<div class="col-sm-4">
<div class="alert alert-info">6</div>
</div>
<div class="col-sm-4">
<div class="alert alert-info">7</div>
</div>
<div class="col-sm-4">
<div class="alert alert-info">8</div>
</div>
<div class="col-sm-4">
<div class="alert alert-info">9</div>
</div>
</div>
</div>
</div>
</div>

Try to figure out Bootstrap Gird Options and
you just Need to know when to use which class for which screen and you are good to go.
Here is the working structure for your reference.
<div class="row">
<div class="left-block col-lg-4 col-md-12 col-xs-12">
Aside Section
</div>
<div class="content-block col-lg-8 col-md-12 col-xs-12">
<div class="row" style="padding:10px;">
<div class="col-lg-4 col-md-4 col-sm-4 col-xs-12" style="border:1px solid">Item 1</div>
<div class="col-lg-4 col-md-4 col-sm-4 col-xs-12" style="border:1px solid">Item 2</div>
<div class="col-lg-4 col-md-4 col-sm-4 col-xs-12" style="border:1px solid">Item 3</div>
<div class="col-lg-4 col-md-4 col-sm-4 col-xs-12" style="border:1px solid">Item 4</div>
<div class="col-lg-4 col-md-4 col-sm-4 col-xs-12" style="border:1px solid">Item 5</div>
<div class="col-lg-4 col-md-4 col-sm-4 col-xs-12" style="border:1px solid">Item 6</div>
</div>
</div>
</div>

Use this :
<div class="container">
<div class="col-md-3 col-sm-12 col-xs-12">
<div class="col-xs-12 notification">
<p>Notifications</p>
</div>
</div>
<div class="col-md-9 col-sm-12 col-xs-12">
<div class="row">
<div class="col-md-4 col-sm-4 col-xs-12">
<div class="col-xs-12 item">
<p>Item # 1</p>
</div>
</div>
<div class="col-md-4 col-sm-4 col-xs-12">
<div class="col-xs-12 item">
<p>Item # 2</p>
</div>
</div>
<div class="col-md-4 col-sm-4 col-xs-12">
<div class="col-xs-12 item">
<p>Item # 3</p>
</div>
</div>
<div class="col-md-4 col-sm-4 col-xs-12">
<div class="col-xs-12 item">
<p>Item # 4</p>
</div>
</div>
<div class="col-md-4 col-sm-4 col-xs-12">
<div class="col-xs-12 item">
<p>Item # 5</p>
</div>
</div>
<div class="col-md-4 col-sm-4 col-xs-12">
<div class="col-xs-12 item">
<p>Item # 6</p>
</div>
</div>
<div class="col-md-4 col-sm-4 col-xs-12">
<div class="col-xs-12 item">
<p>Item # 7</p>
</div>
</div>
<div class="col-md-4 col-sm-4 col-xs-12">
<div class="col-xs-12 item">
<p>Item # 8</p>
</div>
</div>
<div class="col-md-4 col-sm-4 col-xs-12">
<div class="col-xs-12 item">
<p>Item # 9</p>
</div>
</div>
</div>
</div>
</div>
And this style will help to get a better look :
.notification {
background-color:#000;
height:auto;
padding-top: 50px;
padding-bottom:50px;
margin-bottom:10px;
}
.item {
background-color:#333;
height: auto;
margin-bottom:10px;
}
p {
color:#ffffff;
}
Here is the fiddle : http://jsfiddle.net/xwmmfu0e/

You need to add an xs prefix. Try this adding col-xs-6 to both divs.
<div class="col-md-3 col-xs-6">
...
</div>
...
<div class="col-md-9 col-xs-6">
...
</div>

Bootstrap 3 Collapse on hover

I'm working on this site here. http://opennetsummit.wpengine.com/
The three images in the second section down trigger the bootstrap collapse function on click. I'd like them to show on hover, and hide when not hovering.
What do I need to change?
<script>
$(".paneltab1").hover(
function() {
$('#collapsePanel1').collapse('show');
}, function() {
$('#collapsePanel1').collapse('hide');
}
);
</script>
<div class="row panel-heading">
<div class="container">
<div class="col-xs-3">
<a class="paneltab1" data-toggle="collapse" href="#collapsePanel1" aria-expanded="false" aria-controls="collapsePanel1">
<div class="panel-tabs">
<img src="http://opennetsummit.wpengine.com/wp-content/uploads/2015/01/ons-rocket-icon.png">
<h3>Workshops</h3>
</div>
</a>
</div>
<div class="col-xs-3 ">
<a class="" data-toggle="collapse" href="#collapsePanel2" aria-expanded="false" aria-controls="collapsePanel2">
<div class="panel-tabs">
<img src="http://opennetsummit.wpengine.com/wp-content/uploads/2015/01/ons-circles-icon.png">
<h3>Open Networking Summit</h3>
</div>
</a>
</div>
<div class="col-xs-3 ">
<a class="" data-toggle="collapse" href="#collapsePanel3" aria-expanded="false" aria-controls="collapsePanel3">
<div class="panel-tabs">
<div>
<img src="http://opennetsummit.wpengine.com/wp-content/uploads/2015/01/ons-inspire-icon.png">
<h3>Webinars</h3>
</div>
</div>
</a>
</div>
<div class="col-xs-3 ">
<div class="panel-tabs">
<div class="mid-form">
<h3>Get Updates</h3>
</div>
</div>
</div>
</div>
</div>
<div class="collapse" id="collapsePanel1">
<div class="row">
<div class="container">
<div class="col-xs-12 hompage-panel">
<div class="col-sm-4 center">
<img src="http://opennetsummit.wpengine.com/wp-content/uploads/2015/01/ons-inspire-icon.png">
</div>
<div class="col-sm-8">
<h2>Defy Protocol </h2>
<h1>EMBRACE {OPEN} SOFTWARE</h1>
<h3>Open Networking Summit</h3>
<hr>
<p>June 15 - 18, 2015</p>
<p>Santa Clara Convention Center</p>
More Information
</div>
</div>
</div>
</div>
</div>
<div class="collapse" id="collapsePanel2">
<div class="row">
<div class="container">
<div class="col-xs-12 hompage-panel">
<div class="col-sm-4 center">
<img src="http://opennetsummit.wpengine.com/wp-content/uploads/2015/01/ons-inspire-icon.png">
</div>
<div class="col-sm-8">
<h2>Panel 2 </h2>
<h1>EMBRACE {OPEN} SOFTWARE</h1>
<h3>Open Networking Summit</h3>
<hr>
<p>June 15 - 18, 2015</p>
<p>Santa Clara Convention Center</p>
More Information
</div>
</div>
</div>
</div>
</div>
<div class="collapse" id="collapsePanel3">
<div class="row">
<div class="container">
<div class="col-xs-12 hompage-panel">
<div class="col-sm-4 center">
<img src="http://opennetsummit.wpengine.com/wp-content/uploads/2015/01/ons-inspire-icon.png">
</div>
<div class="col-sm-8">
<h2>Panel 3 </h2>
<h1>EMBRACE {OPEN} SOFTWARE</h1>
<h3>Open Networking Summit</h3>
<hr>
<p>June 15 - 18, 2015</p>
<p>Santa Clara Convention Center</p>
More Information
</div>
</div>
</div>
</div>

You can use jquery's hover along with bootstrap's collapse javascript, something like this:
$(".panel-tabs").hover(
function() {
$('#collapsePanel3').collapse('show');
}, function() {
$('#collapsePanel3').collapse('hide');
}
);
The first function(){} is for when the mouse enters, the second for when it leaves.
More info here:
http://api.jquery.com/hover/
http://getbootstrap.com/javascript/#collapse-methods

I changed the class from "collapse" to "collapse in" on mouseover and from "collapse in" to "collapse" on mouseout using GetElementbyID and it worked fine.
document.getElementById("panelid").className = "collapse in";