IsSearchProviderInstalled

IsSearchProviderInstalled

仕様書

歴史

[5] URLs are parsed and produce records · whatwg/html@30bc255 ( 版) <https://github.com/whatwg/html/commit/30bc2557105ad62881ec9670f253febbc9761b44>

[7] Make window.external methods no-ops · whatwg/html@8edcc5b ( 版) <https://github.com/whatwg/html/commit/8edcc5b97c54b0f007bb3552cd5a326e80dcbbde>