cookie clicker hack

JavaScript
// change number of cookies (you can still click on things that look unselectable) 
Game.cookies = 100000000
// and auto clicker:
function myFunction() {document.getElementById("bigCookie").click();document.getElementById("bigCookie").click();document.getElementById("bigCookie").click()}; window.setInterval(myFunction, 0.0001)
Source

Also in JavaScript: