Why can't I get bootstrap popover to work? - javascript

I've isolated the problem by creating a file that only has the required bootstrap template, popover code, and the "popover dismiss" script at the bottom so that nobody has to read my entire webpage to see what I'm referring to. The popover is supposed to create a little window with information in it when clicked. The dismiss script is supposed to make it disappear upon clicking. Instead, nothing happens when the button is clicked. Could someone take a look at it? I have no clue what the issue could be, as I followed instructions exactly. The bootstrap css and the required jQuery/plugin scripts are properly placed within the document. I'd appreciate anyone's insight on why my popover is not functioning correctly.
Thanks!!
<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
</head>
<body>
<button type="button" class="btn btn-secondary" data-container="body" data-toggle="popover" data-placement="top" data-content="Vivamus sagittis lacus vel augue laoreet rutrum faucibus.">
Popover on top
</button>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
<script>
$('.popover-dismiss').popover({
trigger: 'focus'
})
</script>
</body>
</html>

Your jquery $('.popover-dismiss') is searching for elements with class popover-dismiss but you don't have any such element, that's why nothing is happening. Use something like $('[data-toggle="popover"]') instead.
Note: I have put the popover on bottom because there is no space on top but you can easily change that.
Edit: It works now. Here is codepen
<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
</head>
<body>
<button type="button" class="btn btn-secondary popover-dismiss" data-container="body" data-toggle="popover" data-placement="bottom" data-content="Vivamus sagittis lacus vel augue laoreet rutrum faucibus.">
Popover on top
</button>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
<script>
$('.popover-dismiss').popover({
trigger: 'focus'
});
</script>
</body>
</html>

Related

How to make the slider work in a BS collapse element?

So I am using Bootstrap to create my collapsable elements. I am also using a range selector cdn, and I'm thinking there might be some styles from the BS CSS, specifically to the collapse elements, that are causing the error in UI.
When I place the range selector outside of the collapse element, it looks and works perfectly.
<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap#5.1.0/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-KyZXEAg3QhqLMpG8r+8fhAXLRk2vvoC2f3B09zVXn8CA5QIVfZOJ3BCsw2P0p/We" crossorigin="anonymous">
<!--Slider documentation: https://maxshuty.github.io/accessible-web-components/-->
<title>Hello, world!</title>
</head>
<body>
<h1>Hello, world!</h1>
<div id="container">
<div>
<button type="button" class="btn btn-primary" data-bs-toggle="collapse" data-bs-target="#power-range">Power</button>
</div>
<div id="power-range" class="collapse" data-bs-parent="#container">
</div>
<range-selector min-range="0" max-range="15" inputs-for-labels />
</div>
<script src="https://cdn.jsdelivr.net/npm/#popperjs/core#2.9.3/dist/umd/popper.min.js" integrity="sha384-eMNCOe7tC1doHpGoWe/6oMVemdAVTMs2xqW4mwXrXsW0L84Iytr2wi5v2QjrP/xp" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap#5.1.0/dist/js/bootstrap.min.js" integrity="sha384-cn7l7gDp0eyniUwwAZgrzD06kc/tftFf19TOAs2zVinnD/C7E91j9yyk5//jjpt/" crossorigin="anonymous"></script>
<script type="text/javascript" src="https://cdn.jsdelivr.net/gh/maxshuty/accessible-web-components#latest/dist/simpleRange.min.js"></script>
</body>
</html>
But when I try to put it inside the collapse element, it throws the slider off the page.
<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap#5.1.0/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-KyZXEAg3QhqLMpG8r+8fhAXLRk2vvoC2f3B09zVXn8CA5QIVfZOJ3BCsw2P0p/We" crossorigin="anonymous">
<!--Slider documentation: https://maxshuty.github.io/accessible-web-components/-->
<title>Hello, world!</title>
</head>
<body>
<h1>Hello, world!</h1>
<div id="container">
<div>
<button type="button" class="btn btn-primary" data-bs-toggle="collapse" data-bs-target="#power-range">Power</button>
</div>
<div id="power-range" class="collapse" data-bs-parent="#container">
<range-selector min-range="0" max-range="15" inputs-for-labels />
</div>
</div>
<script src="https://cdn.jsdelivr.net/npm/#popperjs/core#2.9.3/dist/umd/popper.min.js" integrity="sha384-eMNCOe7tC1doHpGoWe/6oMVemdAVTMs2xqW4mwXrXsW0L84Iytr2wi5v2QjrP/xp" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap#5.1.0/dist/js/bootstrap.min.js" integrity="sha384-cn7l7gDp0eyniUwwAZgrzD06kc/tftFf19TOAs2zVinnD/C7E91j9yyk5//jjpt/" crossorigin="anonymous"></script>
<script type="text/javascript" src="https://cdn.jsdelivr.net/gh/maxshuty/accessible-web-components#latest/dist/simpleRange.min.js"></script>
</body>
</html>
I can't seem to pinpoint where its occuring.
Will work with 2 minor modifications
The range slider initializes itself when the page loads and calculates it's size.
When you enclose the slider in a hidden element, like a Bootstrap collapse, it can't calculate the size correctly. And that's why it looks messed up.
There are a couple of ways we could fix this problem. For example, we could call the slider's reset method to force it to resize correctly. Yet, the simplest solution is to show the collapse on page load, allow the slider to initialize, and then close the collapse. And all this happens without the user noticing anything.
In the markup we add the show invisible class:
<div id="power-range" class="collapse show invisible" data-bs-parent="#container">
And then in a script tag at the end of the page (or a DOMContentLoaded event handler) we remove show invisible class.
<script>
document.querySelector(".show.invisible").classList.remove("show", "invisible");
</script>
The selected answer
The selected answer "fixes" the problem by breaking the Bootstrap collapse control. It doesn't work like OP's original code and has some visible UI problems after the page loads.
Try it
Run the code snippet to understand how it works.
// hide the collapse after range control has initialized
document.addEventListener("DOMContentLoaded", function() {
document.querySelector(".show.invisible").classList.remove("show", "invisible");
});
<div id="container" class="mb-2 p-2 border">
<div>
<button type="button" class="btn btn-primary" data-bs-toggle="collapse" data-bs-target="#power-range">Power</button>
</div>
<div id="power-range" class="collapse show invisible" data-bs-parent="#container">
<range-selector min-range="0" max-range="15" inputs-for-labels />
</div>
</div>
<!-- Bootstrap 5 -->
<link href="https://cdn.jsdelivr.net/npm/bootstrap#5.1.3/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap#5.1.3/dist/js/bootstrap.bundle.min.js"></script>
<script src="https://cdn.jsdelivr.net/gh/maxshuty/accessible-web-components#latest/dist/simpleRange.min.js"></script>
I fixed the code by defining a custom class, You are using Bootstrap 5.1.0 where 5.1.3 is the latest so I have used it although it works perfectly on both.
<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- Bootstrap CSS -->
<link href="https://cdn.jsdelivr.net/npm/bootstrap#5.1.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
<title>Hello, world!</title>
</head>
<body>
<p>
<a class="btn btn-primary" data-bs-toggle="collapse" href="#collapse" role="button" aria-expanded="false" aria-controls="collapse">
Link with href
</a>
</p>
<div id="collapse">
<div class="card card-body">
<range-selector min-range="0" max-range="1000" />
</div>
</div>
<!-- Optional JavaScript; choose one of the two! -->
<!-- Option 1: Bootstrap Bundle with Popper
<script src="https://cdn.jsdelivr.net/npm/bootstrap#5.1.3/dist/js/bootstrap.bundle.min.js" integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p" crossorigin="anonymous"></script>
-->
<!-- Option 2: Separate Popper and Bootstrap JS -->
<script src="https://cdn.jsdelivr.net/npm/#popperjs/core#2.10.2/dist/umd/popper.min.js" integrity="sha384-7+zCNj/IqJ95wo16oMtfsKbZ9ccEh31eOz1HGyDuCQ6wgnyJNSYdrPa03rtR1zdB" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap#5.1.3/dist/js/bootstrap.min.js" integrity="sha384-QJHtvGhmr9XOIpI6YVutG+2QOK9T+ZnN4kzFN1RtK3zEFEIsxhlmWl5/YESvpZ13" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/gh/maxshuty/accessible-web-components#latest/dist/simpleRange.min.js"></script>
</body>
</html>

Bootstrap 4.5 code is not working as expected

I am a beginner in Bootstrap and I'm following bootstrap documentation. Still, my code is not working. My folder contains only an index.html file.
Visual Studio Code screenshot.
<!doctype HTML>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css"
integrity="sha384-9aIt2nRe3js3W69CrMinNGtLdWyYrnnKzHR26vu4tDT5MYYxFfc+NcPb1dKGj7Sk" crossorigin="anonymous">
<title>WeGo</title>
</head>
<body>
<div class="container">
<!-- This part is not working. The bootstrap styling or classes are not working -->
<nav class="navbar navbar-expand-lg navbar-dark bg-primary">
<a class="navbar-brand" href="#">WeGo</a>
</nav>
</div>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"
integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj"
crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/popper.js#1.16.0/dist/umd/popper.min.js"
integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEQcxuUJwunvQgZnSQpGTJeEuqjoHcLiYk1xMfooAo"
crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js"
integrity="sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI"
crossorigin="anonymous"></script>
</body>
</html>
You had problems with the integrity attribute, and the files you were trying to use were blocked, when you use cdn links always make sure to use the liks provide in the official source bootstrap website or bootstrapcdn
<!doctype HTML>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css" integrity="sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk" crossorigin="anonymous">
<title>WeGo</title>
</head>
<body>
<div class="container">
<!-- This part is not working. The bootstrap styling or classes are not working -->
<nav class="navbar navbar-expand-lg navbar-dark bg-primary">
<a class="navbar-brand" href="#">WeGo</a>
</nav>
</div>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/popper.js#1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js" integrity="sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI" crossorigin="anonymous"></script>
</body>
</html>

Bootstrap popover not working despite being initialized (script tags issue?)

I'm trying to add bootstrap popovers to buttons on my webapp but for some reason they don't show.
I'm initiating popovers in .js script in my Django template with:
$('[data-toggle="popover"]').popover();
I've tried variety of similar implementations, yet without any success.
Despite using code that works in fiddles I cannot recreate the effect within my app.
I'm assuming it's a matter of script tags, yet trying same tags as in some solutions didn't help much either.
Is there some conflict or am I short of some tags?
Here are my script tags:
<!-- Bootstrap CSS -->
<link href="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js">
<link href="../static/bootstrap/css/bootstrap.min.css" rel="stylesheet" media="screen">
<!-- Fonts-->
<link href="https://fonts.googleapis.com/css?family=Open+Sans|Prosto+One&display=swap" rel="stylesheet">
<!-- Theme style -->
<link rel="stylesheet" href="../static/bootstrap/css/style.css">
<!--star ratings-->
<link rel="stylesheet" href="{% static 'star-ratings/css/star-ratings.css' %}">
<script type="text/javascript" src="{% static 'star-ratings/js/dist/star-ratings.min.js' %}"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/js-cookie#2/src/js.cookie.min.js"></script>
<link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/themes/smoothness/jquery-ui.css">
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>
<!-- Latest compiled and minified JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
Arrange your links & scripts like that and changed your CDN of bootstrap to latest version 4.3
<!-- Fonts-->
<link href="https://fonts.googleapis.com/css?family=Open+Sans|Prosto+One&display=swap" rel="stylesheet">
<!-- Bootstrap CSS -->
<link href="../static/bootstrap/css/bootstrap.min.css" rel="stylesheet" media="screen">
<!-- jQuery UI -->
<link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/themes/smoothness/jquery-ui.css">
<!--star ratings-->
<link rel="stylesheet" href="{% static 'star-ratings/css/star-ratings.css' %}">
<!-- Theme style -->
<link rel="stylesheet" href="../static/bootstrap/css/style.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/js-cookie#2/src/js.cookie.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js"></script>
<!-- Latest compiled and minified JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
<script type="text/javascript" src="{% static 'star-ratings/js/dist/star-ratings.min.js' %}"></script>
POPOVER EXAMPLE
$(function () {
$('[data-toggle="popover"]').popover()
});
<!-- Fonts-->
<link href="https://fonts.googleapis.com/css?family=Open+Sans|Prosto+One&display=swap" rel="stylesheet">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<!-- jQuery UI -->
<link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/themes/smoothness/jquery-ui.css">
<button type="button" class="btn btn-secondary" data-container="body" data-toggle="popover" data-placement="top" data-content="Vivamus sagittis lacus vel augue laoreet rutrum faucibus.">
Popover on top
</button>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/js-cookie#2/src/js.cookie.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js"></script>
<!-- Latest compiled and minified JavaScript -->
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>

Glyphicons is not showing in Browser using Bootstrap in html code?

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Bootstrap Glyphicons</title>
<!-- Bootstrap -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
<link href="bootstrap-4.0.0-dist/css/bootstrap.min.css" rel="stylesheet">
<link href="styles.css" rel="stylesheet">
<!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
<script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
<![endif]-->
</head>
<body>
<div class="container">
<div class="page-header">
<h1>Bootstrap Glyphicons</h1>
<p class="lead">Icons that are actual, real-life fonts! This means no Photoshopping required :)</p>
</div><!-- page-header -->
<p><span class="glyphicon glyphicon-circle-arrow-right"></span></p>
<h3><span class="glyphicon glyphicon-music"></span> An icon in a header!</h3>
<p><span class="glyphicon glyphicon-trash"></span> There's an icon for just about anything you can think of!</p>
<p>You can link an icon like so: <span class="glyphicon glyphicon-cog"></span></p>
<button type="button" class="btn btn-default btn-lg btn-info">
<span class="glyphicon glyphicon-star" aria-hidden="true"></span> A button with an icon
</button>
<br><br>
<div class="alert alert-warning">
<span class="glyphicon glyphicon-exclamation-sign"></span>
You may use icons in alert messages, too!
</div>
<br>
<h4>Use icons for User Interface design</h4>
<div class="btn-toolbar">
<div class="btn-group">
<button type="button" class="btn btn-default"><span class="glyphicon glyphicon-play"></span></button>
<button type="button" class="btn btn-default"><span class="glyphicon glyphicon-pause"></span></button>
<button type="button" class="btn btn-default"><span class="glyphicon glyphicon-stop"></span></button>
</div>
</div>
<hr>
</div><!-- container -->
<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
</body>
</html>
hey I am trying to show icon in the browser but it is not showing in the browser while I am using proper bootstrap tags but didn't find any icon in the browser
is it any tag error or something please help me to understand it
** is it necessary ** to use all the cdn links like jQuery javascript are use or choose manually which one is the better decision.
That's because you're using Bootstrap 4, and according to its documentation, in that version they dropped the Glyphicons icon font, that means, from v4.0, Bootstrap won't offer Glyphicon support.
If you need to use icons in Bootstrap 4, you need to search alternatives like Font Awesome and add it by yourself, or get down to Bootstrap 3.3.7 and use it.
You have to include the glyphicons. Put this after importing bootstrap
<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet">
Replacing your line
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
with
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
solved the issue for me.
You are also trying to reference a local version of the 4.0.0 css, you probably don't need that line.

Bootstrap 4 $(...).load is not a function

I'm trying to build a page using Bootstrap 4 as basis. Since I'm new to Bootstrap it's a bit of trial-and-error.
I want to use some buttons to load separate php-files into a DIV using jQuery / javascript. The files to load are in place and the javascript is executed, but it stops where I use the .load() function: there I receive the error: "TypeError: $(...).load is not a function".
There are several reports on SO, but I seem not to be able to find the right solution.
Header:
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="">
<meta name="author" content="">
<title>Time Tracker<?php echo (isset($_SESSION['userrealname'])) ? " ::: ".$_SESSION['userrealname'] : ""; ?></title>
<!-- Bootstrap Core CSS -->
<!-- link href="css/bootstrap.min.css" rel="stylesheet" -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous">
<!-- Custom CSS -->
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">
<link href="css/style.css" rel="stylesheet">
<!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
<!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
<script src="https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js"></script>
<![endif]-->
</head>
My buttons:
<div class="container">
<button type="button" class="btn btn-primary" id="overview">Overview</button>
<button type="button" class="btn btn-primary" id="newcard">New Timecard</button>
The DIV to replace:
<div id="contents">
<?php
//include('inc/overview.php');
?>
</div>
And the bottom of my HTML:
<!-- jQuery -->
<script src="https://code.jquery.com/jquery-3.1.1.slim.min.js" integrity="sha384-A7FZj7v+d/sdmMqp/nOQwliLvUsJfDHW+k9Omg/a/EheAdgtzNs3hpfag6Ed950n" crossorigin="anonymous"></script>
<!-- Bootstrap Core JavaScript -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js" integrity="sha384-DztdAPBWPRXSA/3eYEEUWrWCy7G5KFbe8fFjk5JAIxUYHKkDx6Qin1DkWx51bBrb" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js" integrity="sha384-vBWWzlZJ8ea9aCX4pEW3rVHjgjt7zpkNpZk+02D9phzyeVkE+jo0ieGizqPLForn" crossorigin="anonymous"></script>
<script src="js/jquery.validate.min.js"></script>
<script src="js/crypto.js"></script>
<script src="js/user.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$( "#overview" ).click(function(){
alert("OK");
$( "#contents" ).load("inc/overview.php");
});
$( "#newcard" ).click(function(){
$( "#contents" ).html("<strong>test</strong");
});
});
</script>
</body>
The alert("OK") works fine (added to test), but the next line $( "#contents" ).load("inc/overview.php"); causes the error.
Can anyone point me in the right direction to resolve? Thanks in advance!
jQuery slim doesn't have the load() function. You have to use the full version.
Just like Alex said, use the full JQuery.
I also recommend to avoid any further problem using :
var {insert name here} = JQuery.noConflict()

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