Javascript: Meaning?
<pre><code>window.onload = function () {
    'use strict';
</code></pre>

<p>What does this mean?</p>

<pre><code>var antwoord = function (tekst) {
    var berichtvenster = document.getElementById('berichtvenster');
    berichtvenster.innerHTML += "&lt;p&gt;" + tekst + "&lt;/p&gt;\n";
</code></pre>

<p>And what is the code above doing? Step by step? 
I think it makes a function (antwoord) and var berichtvenster takes the (berichtvenster ID) from HTML? <code>berichtvenster.innerHTML</code> prints out tekst on different textline? Am i right?</p>
