ConstType

const (Web IDL)

[1] [WebIDL] Remove string constants ( (Anne van Kesteren 著, 版)) http://lists.w3.org/Archives/Public/public-script-coord/2011OctDec/0040.html

[2] Disallow constants to be null (#686) (saschanaz著, ) https://github.com/heycam/webidl/commit/c57bdf88df351cbc0f2b76cf64fdb2a166d9d485

[3] Disallow constants to be null by saschanaz · Pull Request #686 · heycam/webidl () https://github.com/heycam/webidl/pull/686

[4] Investigate removing nullables from allowed constant types · Issue #448 · heycam/webidl () https://github.com/heycam/webidl/issues/448