Why Is JQuery Not Working With Bootstrap 4 Alpha 6?
I am attempting to use jQuery and it is giving me various errors. I tried shuffling different script tags around, but had no success. Here is some code:
Solution 1:
Your problem is not related with bootstrap, you are adding jQuery dependent script before it's loaded. Add your script after jQuery and use $(document).ready(), .load() is deprecated. https://api.jquery.com/load-event/
.intro{
width: 200px;
height: 200px;
background: purple;
display: none;
}
.welcomeSize{
width: 200px;
height: 200px;
background: violet;
display: none;
}<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>JQuery+Bootstrap</title>
</head>
<body>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous">
</head>
<body>
<div class="intro">
</div>
<div class="welcomeSize">
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>
<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>
if(jQuery){
console.log('yes');
}
$(document).ready(function(){
$('.intro').fadeIn(500, function(){
$(".welcomeSize").fadeIn(500);
});
});
</script>
</body>
</html>
</body>
</html>Solution 2:
you have to import jquery before write any code using jquery so what you have to do is
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>
// then your code goes here
the second thing for Uncaught TypeError: a.indexOf is not a function
you should use $(window).on('load', function() { ... });
instead of
$(window).load(function() { ... });
load, .unload, and .error, deprecated since jQuery 1.8, are no more. Use .on() to register listeners.
Solution 3:
Note that you've been using the jQuery commands before linking the script. The script tag which source(src) attribute is pointing to Google CDN must come before the jQuery command.
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