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LibJS: Implement Object.is()

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Basically === with two particularities: comparing NaN to itself is
considered equal and comparing +0 and -0 is not.
This commit is contained in:
Linus Groh
2020-04-26 00:27:54 +01:00
committed by Andreas Kling
parent f191b84b50
commit 38ba13e912
Notes: sideshowbarker 2024-07-19 07:17:14 +09:00 
Author: https://github.com/linusg
Commit: https://github.com/SerenityOS/serenity/commit/38ba13e912b
Pull-request: https://github.com/SerenityOS/serenity/pull/1959
Reviewed-by: https://github.com/awesomekling
4 changed files with 73 additions and 0 deletions
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Libraries/LibJS/Runtime/ObjectConstructor.h
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@@ -43,6 +43,7 @@ private:
virtual const char* class_name() const override { return "ObjectConstructor"; }
static Value define_property(Interpreter&);
static Value is(Interpreter&);
static Value get_own_property_descriptor(Interpreter&);
static Value get_own_property_names(Interpreter&);
static Value get_prototype_of(Interpreter&);