 Creating a random link out of all of the links in a document
Using the Math.random() method, we can create a generic random link that
uses all of the links in the document as its "ammunition". In other words, a
random link that randomly chooses from one of the links on the page- any
page the script is on- to go to. Lets see how a script like this is
implemented:
<script>
function random_all(){
var myrandom=Math.round(Math.random()*(document.links.length-1))
window.location=document.links[myrandom].href
}
</script>
The above script may be short, but it is very powerful! It can be
inserted into any document to instantly create a random link out of all of
the links in the document. Before we go any further, lets put the above
script in a document and see it in action:
The technique used to create this script is quite simple. By using the
length property of the links object, we first generated a random number that
falls in the range of 0 and the index number of the last link in the
document:
var myrandom=
Math.round(Math.random()*(document.links.length-1))
Then by using this random number as an index number to reference a random
link in the document:
window.location=document.links[myrandom].href
We create a random link that draws a url out of all of the links in the
document!
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