JS DOM

            document.write("<h2>II. Pristupovanie k elementom/uzlom</h2>");

            document.write("<h3>A. Pristupovanie pomocou getElementById() </h3>");
            // [object HTMLHeadingElement] zistime ze sa jedna o nadpis
            document.write("3a: " + document.getElementById("heading") + "<br />");

            // [object HTMLParagraphElement] zistime ze sa jedna o paragraf
            // ak zadame neexistujuci, dostaneme null
            document.write("3b. " + document.getElementById("paragraph1") + "<br />");

            document.write("<h3>B. Pristupovanie pomocou getElementByName() </h3>");
            // [object NodeList] - pole uzlov, ktore maju nastaveny atribut ako text
            document.write("4a. " + document.getElementsByName("text") + "<br />");
            document.write("4b. " + document.getElementsByName("text")[0] + "<br />");
            document.write("4c. " + document.getElementsByName("text")[1] + "<br />");
            document.write("4d. " + document.getElementsByName("name") + "<br />");

            document.write("<h3>C. Pristupovanie pomocou getElementsByTagName() </h3>");
            document.write("5a. " + document.getElementsByTagName("p") + "<br />");
            document.write("5b. " + document.getElementsByTagName("p").length + "<br /><br />");
            document.write("6. " + document.getElementById("paragraph2").getElementsByTagName("b").length + "<br />");

            //returns node (element) informations
            document.write("<h2>III. Informacie elementov/uzlov</h2>");

            // Vypis iba prveho
            document.writeln("7a. " + document.getElementById("paragraph1").innerHTML + "<br />");
            document.writeln("7b. " + document.getElementById("paragraph1") + "<br /><br />");

            // Vrati meno uzlu
            document.writeln("8. " + document.getElementById("paragraph1").nodeName + "<br />");

            // Hodnota uzlu, bude 0, vyuzivane pri formularoch, kde je value
            document.writeln("9. " + document.getElementById("paragraph1").nodeValue + "<br /><br />");

            // Meno rodicovskeho uzlu
            document.writeln("10a. " + document.getElementById("paragraph1").parentNode + "<br />");
            document.writeln("10b. " + document.getElementById("paragraph1").parentNode.nodeName + "<br /><br />");

            // Meno detskeho uzlu
            document.writeln("11a. " + document.getElementById("paragraph1").childNodes[0] + "<br />");
            document.writeln("11b. " + document.getElementById("paragraph1").childNodes[0].nodeName + "<br /><br />");



            // Vlastnosti/atribut nejakeho prvku
            document.writeln("12a. " + document.getElementById("paragraph1").attributes[0] + "<br />");
            document.writeln("12b. " + document.getElementById("paragraph1").attributes[0].value + "<br />");