I say almost because SNA was still very much a mainframe-oriented design. An
My response was to abandon trying to intercept at the level of individual elements and instead intercept at the level of the browser’s own property descriptors. I went straight for HTMLMediaElement.prototype with Object.getOwnPropertyDescriptor, hooking the native src and srcObject setters before any page code could run:
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25 February 2026 16 min read
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