Get all javascript code in the current page programmatically

Question

Is there any simple way to get all javascript code in the current page programmatically?

For example:

<html>
<head></head>
<script type="text/javascript" src="myjs.js">
<script type="text/javascript" src="userjs.js">
<script>
   //user's jscode here
</script>

</html>

And I need to put some code in myjs.js, and need to be able to get all javascript code, including the code in userjs.js, and the code in the script tag.

Actually getting the code inside the script tag is easy. But I'm stucked on how to get the code in userjs.js.

This is a security nightmare.

Mark Thomas
– Mark Thomas

2013-11-22 11:05:04 +00:00
Commented Nov 22, 2013 at 11:05 — Mark Thomas
– Mark Thomas, Commented Nov 22, 2013 at 11:05

SpliFF · Accepted Answer · 2013-11-22 03:25:11Z

3

Just (re-)download the userjs.js file as an XMLHttpRequest. Then you can do whatever you like with the source.

answered Nov 22, 2013 at 3:25

SpliFF

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2 Comments

StarPinkER Over a year ago

What if the html and the userjs.js is from local disk in a test environment?

SpliFF Over a year ago

Then you would need to run your own HTTP server (a lightweight one would be sufficient). You could also override your browsers local file access restrictions but then you wouldn't want to surf real web pages with it so I don't recommend it.

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