tampermonkeyrunatdocumentstart

That's why Tampermonkey needs to be injected into every page, because only pre-defined content scripts will be executed at document-start for sure. After the ...

2017年6月15日 — The problem is that the page I have the userscript running on has a script element in the head that changes global functions like console.log, ...

2019年7月20日 — This is really strange because I execute the document.getElementsByClassName(css-5wdlwo-TabViewHeader).length in the console again and the ...

2015年4月18日 — The (Tampermonkey) content script running at the page needs to get the scripts that should executed from the background page. This is done ...

2023年9月3日 — To do this, I have a MutationObserver and when the scripts appear, I .remove() them. This works fine on edge (and presumably other chromium ...

2022年10月11日 — Normally I'd say Yup that's my codes issue however it worked flawlessly until the Tampermonkey update. So what gives? I should preface that I ...

2016年9月6日 — 2 Answers 2 ... Required: @run-at: document-start in userscript metablock. ... Now with the above your options are: Simply inject a style that hides ...

// @run-at document-start. The script will be injected as fast as possible. // @run-at document-body. The script will be injected if the body element exists ...

2023年11月6日 — The only guaranteed working value in Greasemonkey 4.x. document-start: The script will run before any document begins loading, thus before any ...

2023年6月2日 — The first section should be triggered before the page is loaded, indicated by the @run-at document-start tag, while the second section should ...