Feature proposal: Disable named access on `window`

[tomayac]

While for quick hacks the named access on window behavior is a feature, in more complex applications this behavior introduces subtle bugs that are hard to detect. Could maybe Document Policy save us, asks Paul Irish?

[mathiasbynens]

Any security issues arising from this are known as “DOM clobbering”: https://portswigger.net/web-security/dom-based/dom-clobbering