How does Javascript work

who dis lil girl

>>61720208
Wife material.

>>61720208
Disgusting freckle monster. Hitler should have gassed gingers.

File: 1501606743678.png (360KB, 360x640px) Image search: [Google]

360KB, 360x640px

>>61720236
>>61720243
>>61720257

tell me about the javascript

>>61720257
Freckles are hot af actually.

>>61720269
>>61720208
scut!

>>61720269
who's this owo

File: 1497977543245.jpg (181KB, 900x1200px) Image search: [Google]

181KB, 900x1200px

>>61720712
>>61720688
>>61720303

tell me about the javascript

>>61720996
It's for gay faggots (lol)

File: 1499053912460.jpg (129KB, 540x960px) Image search: [Google]

129KB, 540x960px

>>61721090

Perhaps

I'm making this thread because a certain person who made a certain compiler is asking me difficult questions which I need to know these things about Javascript to answer.

>>61720208
since you aren't going away and are too retarded to google it
>Where is the official specification for the "syscalls" of Javascript?
idk wtf this means
javascript doesn't make any kernal level calls, at least not directly. it is a scripting language, it is interpreted and executed by it's runtime environment and that will vary between platforms
>If I wanted to prevent Javascript from sending information from a browser to the internet, what would I have to block?
post or get of any kind

>>61721810

Yes the browser is the kernel in this situation

Javascript is obviously sandboxed. There is an API that allows it to perform IO. I want to allow Javascript to not have any API features that allow it to do any type of AJAX.

>>61721868
You could disable it, or run a script blocker.

>>61721868
look for this string

new XMLHttpRequest()

in the source and kill it

File: 3d whore.jpg (136KB, 540x960px) Image search: [Google]

136KB, 540x960px

>>61722177

How do you know that's the only way a script can do AJAX

>>61722123

I am the script blocker

>>61720208
You have a nice sister.

>>61722390
developer.mozilla.org
will probably tell you everything you need to know.

File: 1501627850199.jpg (44KB, 525x700px) Image search: [Google]

44KB, 525x700px

>>61722488

Yeah I've used MDN once or twice in my time you insolent cuck

It doesn't answer my questions

>>61720208
>>61720269
>>61720996
>>61721400
>>61722390
>>61722547
That's a cute boy.

>>61720208
fetch and XMLHttpRequest, but that's only for customizable requests.
There's also some CORS compatible IE only shit.

However, sending stuff to the web can't be prevented at all.
Just imagine creating a new image with src http://evilfuckingshitholyfuck?spyData=...

Can't really prevent that.

>>61722627
Also don't forget that if the user really wants to make a "post" or "get" request and get the return value, they could create a form and submit that, with the target being an iFrame that the result could then be read from.

So basically, forget it, OP. If someone wants to sidestep your system, they can.
Stopping XHR and fetch will be enough to stop most people, but everyone who is not a retard will still be able to send as much as they want and there's nothing you can do.

>>61722390
Block:
XMLHttpRequest
Fetch
Axios
Request
Json*
Get
Post
Put
Any and all http verbs

>>61722627

Yes we can, by blocking all traffic from outside domains

>>61722653

This would require the page to refresh, no?

>>61722704
No, if you post to the iframe (via the target attribute on the form), then only the iframe's contents get refreshed.

>>61722713

So we can check to see if forms have iframes as targets

This is the kind of info I needed

>>61720208
Do you want to be stupid rich? Let me marry this girl

>>61720208
post pic of her feet

>>61722390
What have you done to it's eyes!?

>>61720257
Why would he do that? Varg says gingers are descendants of ancient Egyptian royalty, and Hitler admired ancient Egyptians.

File: 1501591589407.png (23KB, 300x300px) Image search: [Google]

23KB, 300x300px

>>61721868
look at mdn web apis then
also look at webextension apis to see if there's something to mitm network requests since that seems to be what you're trying to do

>>61725715
https://developer.mozilla.org/en-US/Add-ons/WebExtensions/API/proxy

pls now resume posting redhead cuties

>>61720208
What's wrong with her face? Poor thing, this is what happens when you outlaw abortions
>>61720257
Pretty much this

>her

>>61722547
>It doesn't answer my questions

then you aren't asking the right question

>>61720208
Disguting potato nigger.

>>61720208
>>61720269
>>61720996
>>61721400
>>61722390
>>61722547

what's her name?

>>61720208
All those pervs here. I bet she is like 12 years old.

File: 1500744494032.jpg (297KB, 1589x1191px) Image search: [Google]

297KB, 1589x1191px

>>61727556
So what? I am too. Never heard of agekin? Check your privilege you fucking normie

File: 1494409215017.png (731KB, 499x499px) Image search: [Google]

731KB, 499x499px

>>61720208
>>61720269
>>61720996
>>61721400
>>61722390
>>61722547
show us her bepis

>>61728147
If it's a trap I will unironically kill me self

>>61720208
>FAS+Potato
would still bang tho

I came into this thread expecting Sansa, was greeted with jailbait

>>61725769

those are all the pictures I have

>>61728900
Name?

>>61729295

https://orbitchan.org/w/res/639.html#q1068