Получить innerText H1 в родительском

var readMoreAnchors = contains('span', /^Read\smore/i);

    for(var i = 0; i < readMoreAnchors.length; ++i) {
        var readMoreAnchor = readMoreAnchors[i];

        addEvent('click', readMoreAnchor, function(event) {
            var parentElement = getClosest(event.target, '.portlet-dropzone');
            var headingInParent = parentElement.querySelector('h1');

            console.info("{{Click Text}}" + " | " + headingInParent.textContent);
        });
    }





    /**
     * Get the closest matching element up the DOM tree.
     * @private
     * @param  {Element} elem     Starting element
     * @param  {String}  selector Selector to match against
     * @return {Boolean|Element}  Returns null if not match found
     */
    var getClosest = function ( elem, selector ) {

        // Element.matches() polyfill
        if (!Element.prototype.matches) {
            Element.prototype.matches =
                Element.prototype.matchesSelector ||
                Element.prototype.mozMatchesSelector ||
                Element.prototype.msMatchesSelector ||
                Element.prototype.oMatchesSelector ||
                Element.prototype.webkitMatchesSelector ||
                function(s) {
                    var matches = (this.document || this.ownerDocument).querySelectorAll(s),
                        i = matches.length;
                    while (--i >= 0 && matches.item(i) !== this) {}
                    return i > -1;
                };
        }

        // Get closest match
        for ( ; elem && elem !== document; elem = elem.parentNode ) {
            if ( elem.matches( selector ) ) return elem;
        }

        return null;

    };

    function addEvent(evnt, elem, func) {
        if (elem.addEventListener)  // W3C DOM
            elem.addEventListener(evnt,func,false);
        else if (elem.attachEvent) { // IE DOM
            elem.attachEvent("on"+evnt, func);
        }
        else { // No much to do
            elem[evnt] = func;
        }
    }

    function contains(selector, text) {
        var elements = document.querySelectorAll(selector);
        return Array.prototype.filter.call(elements, function(element){
            return RegExp(text).test(element.textContent);
        });
    }

<div class = "column-2 portlet-column span3" id = "sdfghjkl">
    <div class = "portlet-dropzone portlet-column-content portlet-spacing portlet-column-content-only" id = "layout-column_column-2">
        <div class = "portlet-boundary portlet-boundary_56_ portlet-static portlet-static-end portlet-borderless portlet-journal-content " id = "fdsadf"> <span id = "dsasdf"></span>
            <div class = "portlet-borderless-container">
                <div class = "portlet-body">
                    <div class = "journal-content-article">
                        <style>
                            span.icon img { background-repeat: no-repeat; }
                        </style>
                        <div class = "news_headline headline_news" style = "font-family: Noa LT Std;"> <img src = "dsasdfds" alt = "content" class = "icon icon_spacing">
                            <h1> <span class = "headline g-font-content">H1 content</span> </h1>
                        </div>
                    </div>
                    <div class = "entry-links"> </div>
                </div>
            </div>
        </div>
        <div class = "portlet-boundary portlet-boundary_56_ portlet-static portlet-static-end portlet-borderless portlet-journal-content " id = "content"> <span id = "span-content"></span>
            <div class = "portlet-borderless-container">
                <div class = "portlet-body">
                    <div class = "journal-content-article">
                        <div class = "news_headline">
                            <div class = "relatedArticles" style = "margin-top:10px;">
                                <table>
                                    <tbody>
                                    <tr>
                                        <td style = "vertical-align: top;"> <img style = "margin-left:9px; margin-right: 8px; color:#005B82;max-width:none;" src = "https://marketplace.cdn.mozilla.net/img/uploads/addon_icons/508/508664-64.png?modified=cdda3e8d"> </td>
                                        <td> <a href = "content" target = "_blank"> <span class = "g-font-content content-magazine-color">LINK</span> </a> </td>
                                    </tr>
                                    </tbody>
                                </table>
                            </div>
                        </div>
                        <div class = "news_headline">
                            <div class = "relatedArticles" style = "margin-top:10px;">
                                <table>
                                    <tbody>
                                    <tr>
                                        <td style = "vertical-align: top;"> <img style = "margin-left:9px; margin-right: 8px; color:#005B82;max-width:none;" src = "https://marketplace.cdn.mozilla.net/img/uploads/addon_icons/508/508664-64.png?modified=cdda3e8d"> </td>
                                        <td> <a href = "content" target = "_blank"> <span class = "g-font-content content-magazine-color">LINK</span> </a> </td>
                                    </tr>
                                    </tbody>
                                </table>
                            </div>
                        </div>
                        <div class = "news_headline">
                            <div class = "relatedArticles" style = "margin-top:10px;">
                                <table>
                                    <tbody>
                                    <tr>
                                        <td style = "vertical-align: top;"> <img style = "margin-left:9px; margin-right: 8px; color:#005B82;max-width:none;" src = "https://marketplace.cdn.mozilla.net/img/uploads/addon_icons/508/508664-64.png?modified=cdda3e8d" target = "_blank"> <a><span class = "g-font-content content-magazine-color">Read more..</span> </a> </td>
                                    </tr>
                                    </tbody>
                                </table>
                            </div>
                        </div>
                        <div class = "entry-links"> </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>