CODEWITHSUNDEEP
google-chromefirefoxgreasemonkeytampermonkey
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Reputation: 1582

How to edit raw HTML with Greasemonkey/Tampermonkey before it is parsed by browser

Does greasemonkey or tampermonkey have functionality that lets me edit the raw HTML response before it gets passed to the browser?

I'm trying to do this in an attempt to modify an inline script before it executes. This solution must work on both Firefox and Chrome so something like beforescriptexecute won't work because chrome doesn't support it yet.

If not, is there an extension that does provide this functionality that is available to both browsers?

Upvotes: 2

Views: 2078

Answers (1)

user3440444
user3440444

Reputation: 36

Quick answer: No.

Longer answer: Tampermonkey and Greasemonkey operate on editing the page has loaded, not at any time prior to that. So, preventing a script from executing isn't going to happen. Neither of these tools can change the code before it's run, it only alters once it has run and can inject certain scripts into the page after it's loaded that affect the data displayed or the appearance. The best you could do is update or replace what's displayed based on the inline script, but it's still going to get sent initially.

Upvotes: 2

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