Cool Tricks with JavaScript

To use these just copy and paste them to your address bar.


The Never Ending Pop-up Box

Code:

 javascript:while(1){alert('Restart your brower to close this box!')}

Edit Webpages

Code:

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

Pictures Spiraling

Code:

 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.getElementsByTagName("img"); 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(0);

Calculator (just edit the numbers to calculate whatever you want)

Code:

javascript: alert(34343+3434);

Check Authenticity of Website

Code:

 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.");

Rocket Ship (Thanks to DEREKTROTTER)

Controls
W A S D - movement
SPACE - fire

Code:

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

Multiupload Timer Bypass

Code:

 javascript:alert(document.getElementById('downloadcounter').style.display = 'none');alert(document.getElementById('downloadlink').style.display = '');

Post a reply if you know any other javascripts.