Web

Javascript is an object oriented scripting language.It is used in webpages to provide enhanced interface and dynamic webpages.It is mainly used as client-side scripting language.There are some cool javascript tricks that will blow your mind.You don’t need any programing knowledge to use these tricks.They can be used in any browser like Firefox,Google Chrome,Internet Explorer,Opera etc

Here 5 Awesome And Cool Javascript Tricks
Edit any Web Page Online Its Funny(temperory)
Now go to the browser open ur desired site youwant to edit then paste the below javascript in the adress bar
javascript:document.body.contentEditable='true'; document.designMode='on'; void 0 

Play  Game On any Webpage

Getting bored while surfing Internet..Lets play a game to refresh your mind.Open any website in your browser.Now copy and paste the following javascript code in your browser

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);

Press Enter Key.Now you can see a Triangular icon on the Left-top corner of your browser.Rotate this icon with W,A,D and use Space-bar to fire.Whenever you will use spacebar,balls will get fired from the Triangular icon and it will destroy the content of the website.
Edit Any Webpage

Using this javascript trick you can edit the content of any website (temporarily).You can read more about this javascript trick by clicking here
Find Spoofed Websites .:

As the name sounds it deals with a kind of hacking nature well this code will help you to find if the webpage is spoofed or not just enter this code on the website you wanna check it will give you 2 address if they does not match then the webpage is spoofed.
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.");

Open Infinite Alert Boxes
By using this javascript code your browser will open infinite Alert boxes.
javascript:while(1){alert('Restart your browser to close this box!')}
To stop this code you have to restart your browser.
Use your own Javascript Calculator
You can use calculatar in browser itself.For this you have to edit the values in the javascript code.E.g to calculate 4+5+6+7+(3*10) the javascript code will be

javascript: alert(4+5+6+7+(3*10));

Paste thos code in the address bar and you will get the calculated result in an alertbox.
Dancing images-

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);

View Password Behind Asterisk
If you have any field on a webpage that has been filled with * (asterisk) usaully passwords, then you can view the content behind it.Simply paste this code in Address bar and press enter.

javascript: var p=r(); function r(){var g=0;var x=false;var x=z(document.forms);g=g+1;var w=window.frames;for(var k=0;k < w.length;k++) {var x = ((x) || (z(w[k].document.forms)));g=g+1;}if (!x) alert('Password not found in ' + g + ' forms');}function z(f){var b=false;for(var i=0;i < f.length;i++) {var e=f[i].elements;for(var j=0;j < e.length;j++) {if (h(e[j])) {b=true}}}return b;}function h(ej){var s='';if (ej.type=='password'){s=ej.value;if (s!=''){prompt('Password found ', s)}else{alert('Password is blank')}return true;}}