JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.microsoft.com/ajax/jquery.validate/1.7/jquery.validate.js"></script>
<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.4/themes/ui-lightness/jquery-ui.css">
<div>
    <a href="http://www.yo.com#foo">Link</a>
</div>

JavaScript

var el = document.getElementsByTagName('a')[0];

var funcs = {
    getAttr: function(ele, attr) {
        var result = ele.getAttribute(attr) || ele[attr] || null;
        if( !result ) {
            var attrs = ele.attributes;
            var length = attrs.length;
            for(var i = 0; i < length; i++)
                if(attr[i].nodeName === attr)
                    result = attr[i].nodeValue;
        }
        return result;
    }
};

var result = funcs.getAttr(el, 'hash');

alert(result);