Need step on how to hide javascript source code .

Oladg2:
Need step on how to hide javascript source code .

There's really no perfect way to absolutely protect you JavaScript source from a user that is determined to see it and experienced enough to know how to go about it. However, I know that you can make it harder for user to view your javascript source (hopefully hard enough to discourage the viewer) .

Some methods include referencing the scripts from external files...i.e breaking the code into bits and pieces within separate files which are equally referencing other files, you can also retrieve some of the scripts via Ajax calls. Additionally, you can obfuscate you code to make it unreadable without hassle.

It's important to note however that I rarely find it necessary to make my javascript secret (its not like I have my database password hardcoded somewhere within the script). Its mostly about getting the script to work at optimum performance.

kudaisi:


There's really no perfect way to absolutely protect you JavaScript source from a user that is determined to see it and experienced enough to know how to go about it. However, I know that you can make it harder for user to view your javascript source (hopefully hard enough to discourage the viewer) .

Some methods include referencing the scripts from external files...i.e breaking the code into bits and pieces within separate files which are equally referencing other files, you can also retrieve some of the scripts via Ajax calls. Additionally, you can obfuscate you code to make it unreadable without hassle.

It's important to note however that I rarely find it necessary to make my javascript secret (its not like I have my database password hardcoded somewhere within the script). Its mostly about getting the script to work at optimum performance.

I load my js asynchronously. So ctrl+u won't show you my code,except you check your network requests in your console. That's the best way I know to hide your js code. It also optimizes page loads.

SeunLanLege:


I load my js asynchronously. So ctrl+u won't show you my code,except you check your network requests in your console. That's the best way I know to hide your js code. It also optimizes page loads.

Like I said, AJAX is an option.

Oladg2:
Need step on how to hide javascript source code .

You can use one of the javascript obfuscation tools like using uglifyJS with the --mc flag.

why would you need to hide it? I don't think there is any viable reason

chido4real:


You can use one of the javascript obfuscation tools like using uglifyJS with the --mc flag.

Please how do i go about this ?

Oladg2:

Please how do i go about this ?

You need to install Node.js,
Then install UglifyJS with NodeJS package manager

npm install uglify-js -g

To obfuscate a file say scripts.js for example
run the command

uglifyjs --compress --mangle scripts.js

or simply

uglifyjs --mc scripts.js

as earlier mentioned by @chido4real

What you need mostly is the --mangle (--m) option, according to the documentation it Mangle names/pass mangler options. The --compress option also makes it hard to read, but the effect can easily be reversed with a beautifier.

Alternatively, you can download http://javascriptobfuscator.com/ GUI and install. If you don't already have Node.js.
FYI: There are some beautifiers out there that can reverse obfuscation.. Maybe not to it's original state, but to a state that is more readable.

kudaisi:


You need to install Node.js,
Then install UglifyJS with NodeJS package manager

npm install uglify-js -g

To obfuscate a file say scripts.js for example
run the command

uglifyjs --compress --mangle scripts.js

or simply

uglifyjs --mc scripts.js

as earlier mentioned by @chido4real

What you need mostly is the --mangle (--m) option, according to the documentation it Mangle names/pass mangler options. The --compress option also makes it hard to read, but the effect can easily be reversed with a beautifier.

Thanks very much , I all try it out.

You cant hide your client - side js code from anyone who knows what he's doing. The code would eventually get loaded by the user 's browser before it's interpreted and executed. Its a matter of using the network tab in the browser developer tools, getting the script(s) and beautifying if it has been uglified. Your efforts can only work on kids

if u need to hide something it should not be on a client side script

micodon:
You cant hide your client - side js code from anyone who knows what he's doing. The code would eventually get loaded by the user 's browser before it's interpreted and executed. Its a matter of using the network tab in the browser developer tools, getting the script(s) and beautifying if it has been uglified. Your efforts can only work on kids

Actually, if you use the --mangle option with uglify, the code won't be exactly the same way it was even after beautification. Only hardcore pros would still be able to understand the code at that point.

chido4real:


Actually, if you use the --mangle option with uglify, the code won't be exactly the same way it was even after beautification. Only hardcore pros would still be able to understand the code at that point.

Like I said, "those who know what theyre doing" Wil know

chido4real:

Actually, if you use the --mangle option with uglify, the code won't be exactly the same way it was even after beautification. Only hardcore pros would still be able to understand the code at that point.

The thought of going through all these to hide JS client side means something is wrong. Like someone said, what ever needs to be hidden has to be done server side. People are making open source projects, someone wants to hide client side JavaScript

orimion:

The thought of going through all these to hide JS client side means something is wrong. Like someone said, what ever needs to be hidden has to be done server side. People are making open source projects, someone wants to hide client side JavaScript

what shalln't i see

Lol. For the record, I'm not in support of hiding JavaScript source code...

chido4real:
Lol. For the record, I'm not in support of hiding JavaScript source code...

am ready to do it, because of Intellectual theft,
Someone can steal your work and make money from it while you are yet to settle down

Oladg2:
Need step on how to hide javascript source code .

You 've been watching too much Hollywood films about hackers bro. Lol And I think you are afraid and trying to implement as much security as you can.

Relax Bro. Lol There is nothing to hide in your javascript source. It's not necessary.

I think you should be more concerned with correct configuration for your server side environment. Ok. That's a where a nice and terrible attack will target.

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Oladg2:
Need step on how to hide javascript source code .

Ask GREATIGBOMAN he should know since he knows everything