LibJS: Add global isNaN() function

2025-12-28 20:29:42 +00:00 · 2020-03-27 12:45:36 +01:00
parent 9a78b4af2c
commit 04ced9e24a
2 changed files with 9 additions and 0 deletions
--- a/Libraries/LibJS/Runtime/GlobalObject.cpp
+++ b/Libraries/LibJS/Runtime/GlobalObject.cpp
@@ -18,6 +18,11 @@ GlobalObject::GlobalObject()
        this_object->heap().collect_garbage();
        return js_undefined();
    });
+    put_native_function("isNaN", [](Object*, Vector<Value> arguments) -> Value {
+        if (arguments.size() < 1)
+            return js_undefined();
+        return Value(arguments[0].is_nan());
+    });
    put("Math", heap().allocate<MathObject>());
 }