"Don't secure your phone it might mess up JavaScript" is not something I had on my 2026 bingo card.

You can choose to exclude Safari from these protections[0]. Honestly, looking at the list of "limitations" you'll have while running Lockdown mode, I'm surprised most of them aren't the system default.

[0] https://support.apple.com/en-us/105120 - under "How to exclude apps or websites from Lockdown Mode"

I do have it enabled and webbrowsing is still fine, the things I use are or websites or simple web apps that aren't javascript heavy anyway...

when I want to do something for longer I will pickup my MacBook anyway.

you can enable it for certain trusted websites