Get text from website preserving position

get.js

    function isHidden(el) {
        var style = window.getComputedStyle(el);
        return (style.display === 'none')
    }

    function getOffset(el) {
        var _x = 0;
        var _y = 0;
        while (el && !isNaN(el.offsetLeft) && !isNaN(el.offsetTop)) {
            _x += el.offsetLeft - el.scrollLeft;
            _y += el.offsetTop - el.scrollTop;
            el = el.offsetParent;
        }
        return {
            top: _y,
            left: _x
        };
    }

    function buildFromNode(node, arr) {

        arr = arr || [];
        for (var i = 0; i < node.childNodes.length; i++) {
            var child = node.childNodes[i];

            var tag = child.tagName ? child.tagName.toLowerCase() : ''
            if (child.nodeType === 1 && tag !== 'script' && tag !== 'link' && tag !== 'img' && tag !== 'style') {
                if (isHidden(child)) continue;

                buildFromNode(child, arr);
            } else if (child.nodeType === 3) {
                var val = child.nodeValue.trim().replace(/\s+/g, ' ');
                if (val) {
                    var rect = getOffset(node)
                    var index = Math.floor(rect.top / 10);
                    var index2 = Math.floor(rect.left / 10);
                    if (!arr[index]) arr[index] = [];
                    if (!arr[index][index2]) arr[index][index2] = [];
                    arr[index][index2].push(val);
                }
            }
        }
        return arr;
    }

    function getTextFromNode(node) {
        var arr = buildFromNode(node)
        return arr.map((n) => {
            return n.filter((m) => {
                return m && m.length > 0;
            }).map((m) => {
                return m.join(' ');
            })
        }).filter((n) => {
            return n && n.length > 0;
        }).map((n) => {
            return n.join(' ').split(/[  ]/)
        });
    }