how to hide javascript code [duplicate]

This question already has answers here: Closed 12 years ago.

Possible Duplicate:

How can I obfuscate JavaScript?

Hello!

Is it possible to hide JS code? How? I read somewhere a technique like: take JS to external file, and use js-encrypt.

I know that is impos开发者_JAVA百科sible to hide from all eyes, but...

Thank you.

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It is not possible to hide Javascript from the user, since their browser needs to download it to execute it. The only other option is obfuscation.

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You can run your private JavaScript server side e.g. using ASP JScript.NET

<% WebService Language="JScript" Class="MyClass" %>

You can put the hidden functionality on the server and call it via AJAX in the non hidden part of the code on the client.

you can also use

<script runat="server">

or if you're not using a Microsoft platform you might consider Mozilla Rhino

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As you can take someone else's code and try to encrypt it, same goes for others who can take your code. The only solution that i think is to obfuscate your javascript code so that it becomes little difficult for others to grasp but there again there decryptors available so no real solution as of what i know has come about so far.

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The simple answer is no - since the browser needs to understand the javascript, then the user will be able to understand the javascript...