[object Object] is the default toString representation of an object in javascript. If you want to know the properties of your object, just foreach over it like this:

May 22, 2026 · The Object type represents one of JavaScript's data types. It is used to store various keyed collections and more complex entities. Objects can be created using the Object() constructor …

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Jan 17, 2012 · It means you are alerting an instance of an object. When alert ing the object, toString() is called on the object, and the default implementation returns [object Object].

Feb 21, 2026 · JavaScript is designed on an object-based paradigm. An object is a collection of properties, and a property is an association between a name (or key) and a value. A property's value …

Jul 25, 2022 · When working with objects in JavaScript, you may have come across the [object, object] output. While this may seem irrelevant, it's not necessarily an error. [object, object] is the string …

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Feb 17, 2026 · In contrast, objects are used to store keyed collections of various data and more complex entities. In JavaScript, objects penetrate almost every aspect of the language.

Jan 16, 2026 · An object is a dynamic data structure that stores related data as key-value pairs, where each key uniquely identifies its value. The values of properties can be primitives, objects, or functions …

Sep 22, 2024 · In JavaScript, [object Object] is the default string representation of an object. When you attempt to output or print an object (for example, using console.log(), alert(), or adding it to an HTML …