When a visitor click on the Feeling Lucky widget on your blog, he/she will be automatically redirected to a random post on your blog. You can add this widget into your blog in few seconds. Just go to "Layout" page and add the code given below into a "HTML/JavaScript" box and click save.
Refresh your site and click on the widget to see how it works.
<style type='text/css'>
#myLuckyPost a{display:block;background:#333 !important;color:#fff !important;text-align:center;padding:6px 10px;text-decoration:none !important;text-transform:uppercase;}
</style>
<div id="myLuckyPost"></div>
<script type="text/javascript">
function showLucky(root) {
var feed = root.feed;
var entries = feed.entry || [];
var entry = feed.entry[0];
for (var j = 0; j < entry.link.length; ++j) {
if (entry.link[j].rel == 'alternate') {
window.location = entry.link[j].href;
}
}
}
function fetchLuck(luck) {
script = document.createElement('script');
script.src = '/feeds/posts/summary?start-index=' + luck + '&max-results=1&alt=json-in-script&callback=showLucky';
script.type = 'text/javascript';
document.getElementsByTagName('head')[0].appendChild(script);
}
function feelingLucky(root) {
var feed = root.feed;
var total = parseInt(feed.openSearch$totalResults.$t, 10);
var luckyNumber = Math.floor(Math.random() * total);
luckyNumber++;
a = document.createElement('a');
a.href = '#random';
a.rel = luckyNumber;
a.onclick = function() {
fetchLuck(this.rel);
};
a.innerHTML = 'Are you feeling lucky?';
document.getElementById('myLuckyPost').appendChild(a);
}
</script>
<script src="/feeds/posts/summary?max-results=0&alt=json-in-script&callback=feelingLucky"></script>
Refresh your site and click on the widget to see how it works.