How To Protect JS Code From Analysis By Competent People?

May 16, 2003

I'm developing very advanced web-based intranet application that uses a lot of very complex JavaScript for interface, including charting via ActiveX components and other processing.

Obviously I'm tempted to make the analysis of the javascript code very hard for people who may wish to steal my code and/or ideas.

Is there is anything I can do to make analysis of .js code difficult for *professionsals*?

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The Best Way To Protect Javascript Code?

Dec 9, 2006

if speed, size is not a matter, i just want to protect the code as much
as possible, any library or tools do you think is the best solution
right now?

i know there is not a perfect solution, but as good as it can be is
okay...

p.s. need to be cross brower.

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Aug 8, 2009

JavaScript solution for show text statistic like this online-utility.org/text/analyzer.jsp

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Nov 10, 2010

I've got an upcoming project involving a spreadsheet-like view onto data that will be accomplished using one of the available grid view plugins. According to [URL], the "state of the art," as it were, are the following:
jQuery plug-ins:
[URL](ThemeRoller-Ready!)
[URL]
[URL]
[URL]
[URL](was part of early versions of UI, got dropped)
[URL](Seems dead)
Any pros/cons to using any of them?

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Oct 25, 2005

how can I copy protect the text content of my webpage?

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Mar 9, 2010

If i use this to protect myself from XSS scripting, do you think that it will be enough? code...

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Protect Your Content

May 30, 2003

IM new to all this but the following code will deter visitors to your site, who have limited knowledge, copying your content. where nothing is 100% it will stop the chancers taking your hard work and using it as their own, I hope.

<script language="JavaScript">
<!--
var popup="Sorry, right-click is disabled.

This Site Copyright ©2002-2003";
function noway(go) {
if (document.all) {
if (event.button == 2) {
alert(popup);
return false;
}
}
if (document.layers) {
if (go.which == 3) {
alert(popup);
return false;
}
}
}
if (document.layers) {
document.captureEvents(Event.MOUSEDOWN);
}
document.onmousedown=noway;
// --> </script>

<script language="JavaScript1.1">
<!-- var debug = true;
function right(e)
{
if (navigator.appName == 'Netscape' && (e.which == 3 || e.which == 2)) return false;
else if (navigator.appName == 'Microsoft Internet Explorer' && (event.button == 2 || event.button == 3)) {
alert('This Page is fully protected! copyright ©2002-2003');
return false;
}

return true;
}
document.onmousedown=right;
if (document.layers) window.captureEvents(Event.MOUSEDOWN);
window.onmousedown=right;
//-->
</script>

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Is there any statistical data available about what percentage of browsers run with JS disabled?

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Aug 17, 2006

In practice you can't. While you could create a suitable
encryption system with a password in the page, the level of
support you need to do this means it's always simpler to do it
server-side. Anything that "protects" a page other
than the current one is definitely flawed.

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Jul 13, 2004

I once came across some sites that prevent saving their pages by disabling the 'save' option in the File menu. I remember it was done. But I forgot the url.

How are they doing this? Is it possible to do so with Javascript? It will be great if someone provide me with links for such articles or scripts.

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Mar 29, 2010

I have a website where i sell items. I need to make it so a customer can go to the site and place a password to purchase a item. Customers sees a item and clicks on "buy now" It can not be a inconvenience where it will prompt for a user/password.

I would like to place a password box, and once a password is entered they will be able to select the "buy now" button. Simple...yes. But i search for 3 hours via the power of google and have yet to find a solution. I want everything to stay on the same page...if possible.

I have seen places like wordpress and joombla do password protect content but i guess it is because the use frames. I would like to do this with just JS and HTML.

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Jul 23, 2009

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Feb 22, 2001

i want the browser to test wether or not a page that is
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the script is originally used to prevent a page within a frame to be called alone it redirected the user to the main window if i can call it that so that parts of
your frames could not be viewed alone

i have managed to secure most of my site
no rightclicks can be performed and no options to view
source code by using a chromeless window the problem now
is that i wanna make sure that someone cannot call a page
into a normal browser window by using shift while clicking
on links thus preventing anyone from getting to my source code.

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Apr 17, 2009

I'm try to hide the title of some links on a web page. I'm using the title property of some links to pass a description of the images linked to a lightbox script. These descriptions are long and formatted in HTML so I don't want them displaying when people put there mouse over the links.

Heres an example of my title tags:

Code:
<a href="image1.jpg" title="<b>Blah</b> <br> Blah" alt="" rel="lightbox">Image 1</a>

I heard this can be done in Javascript but can't find any information anywhere,

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JQuery :: Protect Page Which Loaded By $.ajax?

Apr 23, 2009

For example I have a page: [URL] On this page I use $.ajax:

$.ajax({
type: "GET",
data: "data=123456",
dataType: 'html',

[Code].....

where temp.php - [URL] On temp.php I use requests for DB with param from $.ajax - data=123456. How I can protect page temp.php? For example, somebody typing [URL] and then he can get all results. I found one solution - using if($_SERVER['HTTP_REFERER'] == "http:// mysite.com/content/") {....} But Am not shure that it can realy protect my page?

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Here is the script:

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I'm trying to allow people to download music files, from my web site server, to their desk top, by clicking a button. I don't know if I need html or some kind of script. The page already plays short music clips automaticly with a simple "onload" script I found somewhere--but I don't know how to get the viewer a copy of the music for their mp3 player or disk burner.

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From the common user perspective (like my grandma), why would they care
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users prefer that over a java applet?

Moreover, say I use a java applet to transfer data through a socket
connection, then use DHTML to display the data, so that basically the
front end is the same, but the backend is differs, why would a user
prefer the comet-style programming over applet?

I'm asking because I wrote an Ajax chat system through polling, and I
want to switch to a Comet push-style system because polling just isn't
responsive enough. I want to know if I can avoid Comet (since it is
alot of overhead for the server) and just use an applet in the
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