[Malleys]

Pavel7558, например так...

<script>
var m = ["Lukas", "Andrius", "Kostas", "Julija", "Dmitrij", "Pavel"];
var html = ["<ol>"];
for (var i = 0; i < m.length; i++)
	html.push("<li>" + m[i] + "</li>");

html.push(
	"</ol>",
	'<table border="1">',
	"<tr><th>Nr.</th><th>Vartotojai</th><th>Kodas</th></tr>"
);

for (var i = 0; i < m.length; i++) {
	var raidė = "ABC"[Math.floor(Math.random() * 3)];
	var numeris = Math.floor(10 + (99 - 10) * Math.random());
	var kodas = i + raidė + numeris;
	html.push("<tr><td>" + (i + 1) + "</td><td>" + m[i] + "</td><td>" + kodas + "</td></tr>");
}

html.push("</table>");

document.write(html.join(""));
</script>