Chrome Extensions

executeScript.js

chrome.tabs.executeScript(null,
   {code:"document.body.bgColor='red'"});

executeScript2.js

var url_js = '//example.com/js/script.js';
chrome.tabs.executeScript(null,
{
code:"var scrp = document.createElement('script'); scrp.src = '" + url_js + "?r='+(Math.random()*99999999); scrp.addEventListener('load', function() { }); document.head.appendChild(scrp);"
});

webkit_nofications.js

var msg = 'Page succesfully scanned!';
var obj = webkitNotifications.createNotification("http://i.imgur.com/5DgHw.jpg",msg,"");
obj.show();
setTimeout( function(){ obj.cancel(); } , 1550 );