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I am getting this error message when trying to create a JQuery image slider.
Uncaught ReferenceError:$ is not defined
Here is my NEW coding (NOTE that I have moved the script to the of the page, this was suggested by adobe.) :
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Green Cold-Formed Steel | Home</title>
<style type="text/css">
body,td,th {
font-family: Tahoma, Geneva, sans-serif;
font-size: 10px;
color: #000;
text-align: left;
}
body {
background-color: #999;
}
a:link {
color: #999;
text-decoration: none;
}
a:visited {
text-decoration: none;
color: #060;
}
a:hover {
text-decoration: underline;
color: #FFF;
}
a:active {
text-decoration: none;
}
h1 {
font-size: 14px;
color: #060;
}
h2 {
font-size: 12px;
color: #999;
}
h3 {
font-size: 9px;
color: #FFF;
}
#next {
background-image: url(Assets/slideshow/r_arrow.png);
background-repeat: no-repeat;
background-position: center center;
display: block;
float: right;
height: 500px;
width: 100px;
position: relative;
z-index: 99;
}
#slideshowwrapper {
display: block;
height: 500px;
width: 1000px;
margin: auto;
}
#container {
background-color: #FFC;
display: block;
float: left;
height: 500px;
width: 1000px;
overflow: auto;
}
#prev {
background-image: url(Assets/slideshow/L_arrow.png);
background-repeat: no-repeat;
background-position: center center;
display: block;
float: left;
height: 500px;
width: 100px;
position: relative;
z-index: 99;
}
#slider {
display: block;
float: left;
height: 500px;
width: 1000px;
overflow: hidden;
position: absolute;
}
#NavBar {
display: block;
height: 50px;
width: auto;
position: relative;
padding-bottom: 5px;
float: none;
vertical-align: middle;
}
</style>
</head>
<body bgcolor="#999999" text="#000000">
<table width="100%" height="583" border="0" cellspacing="0" cellpadding="0px">
<tr>
<th height="132" align="left" scope="col"> </th>
<th scope="col"><div class="spacer" id="spacer"></div>
<div class="Header" id="header"><a href="index.html"><img src="Assets/Logo/GFCS_Logo_NoBckgnd.png" width="288" height="108" alt="GCFS"></a></div>
<hr></th>
<th scope="col"> </th>
</tr>
<tr>
<th width="5%" align="left" scope="col"> </th>
<td width="85%" align="left" valign="top" scope="col">
<div class="Navigation Bar" id="NavBar"><img src="Assets/navigation/navbutton_static_green.png" width="100" height="50" alt="Navi_Home"> <img src="Assets/navigation/navbutton_static_green.png" width="100" height="50" alt="Navi_Solutions"> <img src="Assets/navigation/navbutton_down.png" width="100" height="50" alt="navi_down"></div>
<div id="slideshowwrapper">
<div id="container">
<div class="controller" id="prev"></div>
<div id="slider">
<img src="Assets/slideshow/hyatt_apts.png" width="1000" height="500" alt= "Hyatt Apartments">
<img src="Assets/slideshow/mccommas.png" width="1000" height="500" alt="McCommas">
<img src="Assets/slideshow/park_4200.png" width="1000" height="500" alt="Park 4200">
<img src="Assets/slideshow/quail_run.png" width="1000" height="500" alt="Quail Run">
<img src="Assets/slideshow/roofdale.png" width="1000" height="500" alt="Roofdale Roof">
<img src="Assets/slideshow/tri_truss.png" width="1000" height="500"> </div>
<div class="controller" id="next"></div>
</div>
</div></td>
<th width="10%" scope="col"> </th>
</tr>
</table>
<p> </p>
<script type="text/javascript" src="JS/jquery-1.10.1.min.js"></script>
<script type="text/javascript" src="JS/jquery.cycle.all.js"></script>
<script>
$(function(){
$('#slider').cycle({
fx: 'scrollHorz',
speed: 'fast',
next: '#next',
prev: '#prev'
});
});
</script>
</body>
</html>
My folder path to the JS folder for my website (locally) looks like this: C:\Users\Andrew\Desktop\GCFS\JS
I am new to the coding world, but what I am trying to achieve is fairly simple. As far as I know I do not need to have a ready function and the javascript should run automatically. Thank you for your assistance!
From comment
When I tried this it also failed
<title>Green Cold-Formed Steel | Home</title>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script>
<script src="JS/jquery.cycle.all.js"></script>
<script type="text/javascript">
$(function() {
$('#slider').cycle({ fx: 'scrollHorz', speed: 'fast', next: '#next', prev: '#prev' });
});
</script>
948
Answer: Execute Code after jQuery Library has Loaded The most common reason behind the error "Uncaught ReferenceError: $ is not defined" is executing the jQuery code before the jQuery library file has loaded. Therefore make sure that you're executing the jQuery code only after jQuery library file has finished loading.
The Javascript ReferenceError occurs when referencing a variable that does not exist or has not yet been initialized in the current scope.
Basically $ is an alias of jQuery() so when you try to call/access it before declaring the function, it will endup throwing this $ is not defined error . This usually indicates that jQuery is not loaded and JavaScript does not recognize the $. Even with $(document).
The solution:
1) Use Google CDN to load jQuery
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.5/jquery.min.js"></script>
2) As far as I know about the Cycle Plugin, It is compatible with jQuery v1.5-v1.7 because most of the methods were deprecated in jQuery 1.8+ . This is the reason I've used v1.5 of Google CDN jquery in point 1. Most of the examples on cycle plugin use jquery 1.5.
3) Clear Your browser cache, It is the main culprit most of the times.
4) PLease check the loading of jquery using the code below
if(typeof jQuery!=='undefined'){
console.log('jQuery Loaded');
}
else{
console.log('not loaded yet');
}
Major Edit:
The reason for the error is fairly simple:
You have called the cycle method before the jquery is loaded.
call cycle plugin on DOM ready..
$(document).ready(function(){
$('#slider').cycle({
fx: 'scrollHorz',
speed: 'fast',
next: '#next',
prev: '#prev'
});
});
2 issues.
Looks like your jQuery was not loaded properly.
You generally see this error
Uncaught ReferenceError:$ is not defined
when jQuery was not properly included on your page.
Try using jQuery from CDN and it should solve your problem
Replace
<script src="JS/jquery-1.10.1.min.js"></script>
with the one from cdn
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script>
NOTE: if you test from file system, you need to add the http: to the above URL or it will fail
Next your script file is before the HTML . So need to contain the code in DOM Ready handler.
$(function() {
$('#slider').cycle({
fx: 'scrollHorz',
speed: 'fast',
next: '#next',
prev: '#prev'
});
});
As far as I know 'Slider' was referenced when I created the div Id.
No it is not. If your script was included just before the body , then you may not enclose it in the Ready handler. But in your case it is present in the head. So when the script starts running that particular element is still not present in the DOM
Check Fiddle
37
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