map-override

Check if map-override feature works properly.

map-override-set

Test that Map.prototype.set can be overridden properly.

Example Content

Waiting 500ms to trigger snippet...

abptestpages.org#$#map-override set blocked-value

Not supported in Chrome 73 (requires 74+)

Test that Map.prototype.get can be overridden properly.

Example Content

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abptestpages.org#$#map-override get override-key custom-value

Not supported in Chrome 73 (requires 74+)

Test that Map.prototype.has can be overridden properly.

Example Content

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abptestpages.org#$#map-override has fake-key true

Not supported in Chrome 73 (requires 74+)