Parse all VK articles | Спарсить вк все статьи на странице закладок

ArticlesParser.js

function findFirstChildByClass(element, className) {
    var foundElement = null, found;
    function recurse(element, className, found) {
        for (var i = 0; i < element.childNodes.length && !found; i++) {
            var el = element.childNodes[i];
            var classes = el.className != undefined? el.className.split(" ") : [];
            for (var j = 0, jl = classes.length; j < jl; j++) {
                if (classes[j] == className) {
                    found = true;
                    foundElement = element.childNodes[i];
                    break;
                }
            }
            if(found)
                break;
            recurse(element.childNodes[i], className, found);
        }
    }
    recurse(element, className, false);
    return foundElement;
}

// [{ "name":  "...", "url": "...", "image": "..."}, ...]
function parseArticles(){
    var res = [];
    var els = document.getElementsByClassName("bookmarks_row_type_article");

    for(var i = 0; i < els.length; i++){
        var c = findFirstChildByClass(els[i], "bookmark_link__title");
        res[i] = {};
        res[i].title = c.innerText;
        res[i].url = c.href;
        var c = findFirstChildByClass(els[i], "bookmark_link__image");
        res[i].image = c.style.backgroundImage;
        res[i].image = res[i].image.substr(5, res[i].image.length - 7);
    }

    return JSON.stringify(res);
}

console.log(parseArticles());