Working with objects - JavaScript | MDN
JavaScriptTutorials and guidesBeginner's tutorialsYour first website: Adding interactivityDynamic scripting with JavaScriptJavaScript frameworks and librariesJavaScript GuideIntroductionGrammar and typesControl flow and error handlingLoops and iterationFunctionsExpressions and operatorsNumbers and stringsRepresenting dates & timesRegular expressionsIndexed collectionsKeyed collectionsWorking with
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
