revision:
The document.write() method writes a string of text to a document stream opened by document.open().
Use of the document.write() method is strongly discouraged.
document.write(exp1, exp2, ..., expN)
Parameters:
exp1, ... : optional. The output stream. Multiple arguments are appended to the document in order of occurrence.
<body onload="newContent();">
<p>Some original document content.</p>
</body>
<script>
function newContent() {
document.open();
document.write("<h1>Out with the old, in with the new!</h1>");
document.close();
}
</script>
document.write("Hello World!");
document.write("<h2>Hello World!</h2><p>Have a nice day!</p>");
document.write(Date());