DOM Enlightenment Book

HTML

<script src="https://getfirebug.com/firebug-lite-debug.js"></script>
<head>

<style id="styleElement">
body{background-color:#fff;}
</style>

</head>

































<h4 style="border-top:1px solid #ADADAD;padding-top:20px;margin-top:20px;"><strong>&larr; Code Example from <a href="http://www.domenlightenment.com/" target="_blank">DOM Enlightenment Book</a> by <a href="http://www.codylindley.com" target="_blank">Cody Lindley</a></strong></h4>

<p style="background-color:#fff">JavaScript code is executed on page load. Click the "Run" button in the top bar to re-run the JavaScript code. All <code>console.log()'s</code> are logged to the <a href="http://getfirebug.com/firebuglite" target="_blank">Firebug Lite</a> console below &darr;.</p>

JavaScript

var styleSheet = document.querySelector('#styleElement').sheet;

//text own properties
console.log(Object.keys(styleSheet).sort());

//text own properties & inherited properties
var styleSheetPropertiesIncludeInherited = [];
for(var p in styleSheet){
    styleSheetPropertiesIncludeInherited.push(p);
}
console.log(styleSheetPropertiesIncludeInherited.sort());

//text inherited properties only
var styleSheetPropertiesOnlyInherited = [];
for(var p in styleSheet){
    if(!styleSheet.hasOwnProperty(p)){
        styleSheetPropertiesOnlyInherited.push(p);
    }
}
console.log(styleSheetPropertiesOnlyInherited.sort());