LibJS: Implement Object.prototype.isPrototypeOf

Spec: https://tc39.es/ecma262/#sec-object.prototype.isprototypeof
2025-07-26 20:57:44 +00:00 · 2020-12-28 01:22:38 +00:00 · 2020-12-28 01:22:38 +00:00 · be30dc2b18
commit be30dc2b18
parent ee1d9217aa
4 changed files with 40 additions and 0 deletions
--- a/Libraries/LibJS/Runtime/CommonPropertyNames.h
+++ b/Libraries/LibJS/Runtime/CommonPropertyNames.h
@ -149,6 +149,7 @@ namespace JS {
    P(isFinite)                              \
    P(isInteger)                             \
    P(isNaN)                                 \
+    P(isPrototypeOf)                         \
    P(isSafeInteger)                         \
    P(isView)                                \
    P(join)                                  \