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This prevents things like
alert
abuse, and networking to external naughty things, and a lot more.It will prevent some kinds of desired features, eg: importing external libraries. but we can always add exceptions for things like that.
Fixes #7
For those wondering, using the
sandbox
attribute flips how iframe permissions work. By default, everything is disallowed, and you have to specify what things you do allow.There's a chance this breaks some things, so we should keep an eye on any bugs