LibJS: Implement Object.hasOwn() :^)

This is currently a TC39 Stage 2 proposal, but let's go for it! https://github.com/tc39/proposal-accessible-object-hasownproperty I wrote the C++, @linusg found bugs and wrote the test.
2025-07-27 14:37:45 +00:00 · 2021-05-18 11:15:49 +02:00 · 2021-05-18 11:15:49 +02:00 · 3ee092cd0c
commit 3ee092cd0c
parent 94569e52f5
4 changed files with 49 additions and 0 deletions
--- a/Userland/Libraries/LibJS/Runtime/CommonPropertyNames.h
+++ b/Userland/Libraries/LibJS/Runtime/CommonPropertyNames.h
@ -135,6 +135,7 @@ namespace JS {
    P(globalThis)                            \
    P(groups)                                \
    P(has)                                   \
+    P(hasOwn)                                \
    P(hasOwnProperty)                        \
    P(hypot)                                 \
    P(ignoreCase)                            \