Working with objects
Previous Next 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 can be a function, in which case the property is known as a method. Objects in JavaScript, just as in many other programming languages, can be compared to objects in real life. In JavaScript, an object is
Introducing ES2015 proxies | Blog | Chrome for Developers
ES2015 Proxies (in Chrome 49 and later) provide JavaScript with an intercession API, enabling us to trap or intercept all of the operations on a target object and modify how this target operates. Proxies have a large number of uses, including: Interception Object virtualization Resource management Profiling or logging for debugging Security and access control Contracts for object use The Proxy API
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Object.getOwnPropertyNames() - JavaScript | MDN
List Object's built-in Properties
