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並前往https://forum.vuejs.org/t/why-does-vue-have-its-own-hasown-method-instead-of-just-using-the-original-object-hasownproperty/3682

Why does Vue have its own hasOwn method instead of just ...

It can also be used on objects with don't have this method in their ... hasOwnProperty; /** * Check whether the object has the property.

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