Accessibility Helpers

/* inject jQuery */
javascript: (function(e, s) {
    e.src = s;
    e.onload = function() {
        jQuery.noConflict();
        console.log('jQuery injected');
    };
    document.head.appendChild(e);
})(document.createElement('script'), '//code.jquery.com/jquery-latest.min.js')

/* List Headings*/
for (var i = 0, headings = $$('h1,h2,h3,h4,h5,h6');
     i < headings.length; i++) {
   console.log(headings[i].textContent.trim() + " " +  
               headings[i].tagName,
               headings[i]);
}