TaBlAs De MuLtIpLiCaR.

<script>
    var num = 8;
    document.write("<h3> LA TABLA DEL 8 </h3>");
      document.write("-- 8 X 0 ES: " + (num * 0) + "<br>");
      document.write("-- 8 X 1 ES: " + (num * 1) + "<br>");
      document.write("-- 8 X 2 ES: " + (num * 2) + "<br>");
      document.write("-- 8 X 3 ES: " + (num * 3) + "<br>");
      document.write("-- 8 X 4 ES: " + (num * 4) + "<br>");
      document.write("-- 8 X 5 ES: " + (num * 5) + "<br>");
      document.write("-- 8 X 6 ES: " + (num * 6) + "<br>");
      document.write("-- 8 X 7 ES: " + (num * 7) + "<br>");
      document.write("-- 8 X 8 ES: " + (num * 8) + "<br>");
      document.write("-- 8 X 9 ES: " + (num * 9) + "<br>");
      document.write("-- 8 X 10 ES: " + (num * 10) + "<br>");
</script>