(adsbygoogle = window.adsbygoogle || []).push({}); Heres a a few fun codes when your bored.

Edit anything on the page

    javascript:document.body.contentEditable='true'; document.designMode='on'; void 0

Make your own alert

    javascript:alert("Your text here")

Pictures move left to right

    javascript:R=0; x1=.1; y1=.05; x2=.25; y2=.24; x3=1.6; y3=.24; x4=300; y4=200; x5=300; y5=200; DI=document.images; DIL=DI.length; function A(){for(i=0; i-DIL; i++){DIS=DI[ i ].style; DIS.position='absolute'; DIS.left=(Math.sin(R*x1+i*x2+x3)*x4+x5)+ "px"; DIS.top=(Math.cos(R*y1+i*y2+y3)*y4+y5)+" px"}R++}setInterval('A()',5); void(1);

Post below for what you have if you have your own cool javascript code.


Calculator

    javascript: alert(1+1);

Edit the numbers to your problem


Play asteroids on a page.
From DEREKTROTTER

    javascript:var%20s%20=%20document.createElement('script';s.type='text/javascript';document.body.appendChild(s);s.src='https://erkie.github.com/asteroids.min.js';void(0);

Finding a spoofed site.

    javascript:alert("The actual URL is:\t\t" + location.protocol + "//" + location.hostname + "/" + "\nThe address URL is:\t\t" + location.href + "\n" + "\nIf the server names do not match, this may be a spoof.");

Very nice m8! got any more ?

Thanks for this I have used the editing one a lot

do it like this:

go to ex. google.com
then remove all tekst in url then paste the full code and press enter

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