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hasownproperty usage
hasOwnProperty is a method on the JavaScript built-in object prototype, which is used to check whether the object's own properties contain the specified property, rather than the properties inherited from its prototype chain. If you want to know more about hasownproperty, you can read the article below this topic.
How to use hasownpropertyhasOwnProperty is a method on the JavaScript built-in object prototype (Object.prototype), which is used to check whether the object's own properties contain the specified property, rather than the properties inherited from its prototype chain. The basic syntax is "obj.hasOwnProperty(prop)".
JavaScript hasOwnProperty() function (picture and text tutorial, with code examples)The hasOwnProperty() function is used to indicate whether an object itself (excluding the prototype chain) has a property with a specified name. Let me share with you the JavaScript hasOwnProperty() function example through this article. Friends who are interested can take a look.
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