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Modify sandbox opening paragraph which didn't make a lot of sense.
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Dan Atkinson 2018-09-19 10:00:36 +01:00 • committed by GitHub
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4-frames-and-windows/03-cross-window-communication/article.md
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@ -207,7 +207,7 @@ if (window == top) { // current window == window.top?
## The sandbox attribute
The `sandbox` attribute allows to forbid certain actions inside an `<iframe>`, to run an untrusted code. It "sandboxes" the iframe by treating it as coming from another origin and/or applying other limitations.
The `sandbox` attribute allows for the exclusion of certain actions inside an `<iframe>` in order to prevent it executing untrusted code. It "sandboxes" the iframe by treating it as coming from another origin and/or applying other limitations.
By default, for `<iframe sandbox src="...">` the "default set" of restrictions is applied to the iframe. But we can provide a space-separated list of "excluded" limitations as a value of the attribute, like this: `<iframe sandbox="allow-forms allow-popups">`. The listed limitations are not applied.