How Do I Pass The Value Of A Variable To An Specific Page Element With Solely JavaScript?

Let's say I have: var url='http://www.google.html'; how do I put the URL variable value as the href value of a specific anchor tag in the page? I know about str.link() but how can

Solution 1:

For anchor elements:

<a id="myAnchor">link me!</a>

...

<script type="text/javascript">
var url = "http://www.google.html";  // .html is the new .com
var myAnchor = document.getElementById('myAnchor');
myAnchor.href = url;
</script>