jquery.actual
Version:
Older version of jQuery has trouble finding the width/height of invisible DOM elements. With element or its parent element has css property 'display' set to 'none'. `$('.hidden').width();` will return 0 instead of the actual width; This plugin simply fix
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HTML
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jQuery Actual Plugin Demo - Normal Usage</title>
<style type="text/css">
label{
display: block;
}
#wrap{
width: 500px;
margin: 0 auto 50px;
}
#info{
text-align: center;
margin: 50px 0 0;
}
#operation{
width: 500px;
height: 150px;
position: relative;
}
#outer, #inner{
padding: 20px;
margin: 10px auto;
position: relative;
}
#outer span, #inner span{
position: absolute;
top: 5px;
left: 10px;
color: white;
}
#outer{
width: 100px;
background: #000;
}
#inner{
width: 30px;
background: #555;
}
</style>
</head>
<body>
<div id="wrap">
<h1>
jQuery Actual Plugin Demo - Normal Usage
</h1>
<p>
Try to switch between position, visibility, display, opacity to see how the result is.
</p>
<form id="options">
<label>#outer</label>
<input class="outer" type="checkbox" name="position" value="absolute" />
position: absolute<br />
<input class="outer" type="checkbox" name="visibility" value="hidden" />
visibility: hidden<br />
<input class="outer" type="checkbox" name="display" value="none" />
display: none<br />
<input class="outer" type="checkbox" name="opacity" value="0" />
opacity: 0<br />
<br />
<label>#inner</label>
<input class="inner" type="checkbox" name="position" value="absolute" />
position: absolute<br />
<input class="inner" type="checkbox" name="visibility" value="hidden" />
visibility: hidden<br />
<input class="inner" type="checkbox" name="display" value="none" />
display: none<br />
<input class="inner" type="checkbox" name="opacity" value="0" />
opacity: 0<br />
</form>
<div id="operation">
<div id="outer">
<span>#outer</span>
<div id="inner">
<span>#inner</span>
</div>
</div>
</div>
<div id="display"></div>
<h3 id="info">
Demo provides by <a href="http://dreamerslab.com/">DreamersLab</a>
</h3>
</div>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.2.3/jquery.min.js"></script>
<script type="text/javascript" src="../jquery.actual.min.js"></script>
<script type="text/javascript" charset="utf-8">
// wrap everything in a anonymous function to prevent global
( function( $ ){
// the testing result with default jquery width() and this plugin actual('width')
var result = function(){
// THE ACTUAL DEMO CODE
// empty display area before append new result
$( '#display' ).
empty().
append( '<p>$( "#inner" ).width(); => ' + $( '#inner' ).width() + 'px</p>' ).
append( '<p>$( "#inner" ).actual( "width" ); => ' + $( '#inner' ).actual( 'width' ) + 'px</p>' );
},
switchCss = function( callback ){
// cache dom element
$checkbox = $( ':checkbox' );
// change result on clicke event
$checkbox.bind( 'click', function(){
// vars to store selected css for #outer and #inner
var outerCss = {},
innerCss = {};
// get each selected css props for #outer element
$checkbox.filter( '.outer:checked' ).each( function(){
var $this = $( this );
outerCss[ $this.attr( 'name' )] = $this.val();
});
// get each selected css props for #inner element
$checkbox.filter( '.inner:checked' ).each( function(){
var $this = $( this );
innerCss[ $this.attr( 'name' )] = $this.val();
});
// clear all style before apply new styles
$( '#outer' ).removeAttr( 'style' ).css( outerCss );
$( '#inner' ).removeAttr( 'style' ).css( innerCss );
// fire callback function if any
if( callback ) callback.call( this );
});
};
// when document is ready show the initial result
// when user switchs the css props shows the new result
$( function(){
result();
switchCss( result );
});
})( jQuery );
</script>
<script type="text/javascript" charset="utf-8">
// google analytics
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-20960410-1']);
_gaq.push(['_trackPageview']);
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
</script>
</body>
</html>