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Sunday, February 5, 2012

5 Awesome And Cool Javascript Tricks

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

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.


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.

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;}}
Edit Any Webpage

Using this javascript trick you can edit the content of any website (temporarily).If you really want to impress someone with your hacking skills then this trick will surely help you.Well this is actually not any hacking just a simple javacript trick but the other person will surely believe you as a hacker.

So what can you do with this trick?
You can edit content of any website including facebook,myspace,twitter etc.For instance see the pic below

 How to perform this trick?
Open any website of your choice (like facebook) in  browser (internet explorer,google chrome,firefox) and clear the address bar of the browser.
Copy paste the following javascript code in the address bar of your browser
javascript:document.body.contentEditable='true'; 
document.designMode='on'; void 0
And thats it.Now you can edit anything that is written on the page.


How this trick actually work?
This is a javascript code on the the browser side.It is temporary and the changes will be gone once you refresh the webpage.
The javascript code JavaScript:document.body.contentEditable=’true’; makes the website editable in your browser.
The code document.designMode=’on’ tells the browser to turn the designmode on
The code void 0 tells the browser not to show any error
So, enjoy this funny trick to hack facebook

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