<script>
var n1 = 'innerHTML de elemento identificado por id="h2"';
var c1 = document.getElementById("h2").innerHTML;
<span id="c1"></span>
var n2 = 'outerHTML de elemento identificado por id="h1"';
var c2 = document.getElementById("h1").outerHTML;
<span id="c2"></span>
var n3 = "propiedad global: location.href";
var c3 = location.href;
<span id="c3"></span>
var n4 = "propiedad global: location";
var c4 = location;
<span id="c4"></span>
var n5 = "propiedades globales: screen.width y screen.heigth";
var c5_1 = screen.width;
var c5_2 = screen.heigth;
<span id="c5"></span>
document.getElementById("c1").innerHTML = "<b>" + c1 + "</b>";
document.getElementById("c2").innerHTML = "<b>" + c2 + "</b>";
document.getElementById("c3").innerHTML = "<b>" + c3 + "</b>";
document.getElementById("c4").innerHTML = "<b>" + c4 + "</b>";
document.getElementById("c5").innerHTML = "<b>width: " + c5_1 + " y heigth: " + c5_2 + "</b>";
</script>