JavaScript does that property exist ES13











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In this JavaScript Tuesday, we look at .hasOwn() added in EcmaScript 2022 (ES13). It is a nice replacement to the very LONG Object.prototype.hasOwnProperty and has two use cases: 1. when you need to check for a property and a ! won't do the trick (truthy and falsy). 2. when you are checking for inheritance and you don't want to use the old workarounds, An absolute must brevity and modern JS ! Make sure to hit subscribe and never miss a JavaScript Tuesday release! • Code: https://github.com/robertbunch/es-next • History of ECMAScript/JavaScript (long) -    • Visual Timeline of JavaScript and ECM...   • History of ECMAScript/JavaScript (shorter) -    • Visual Timeline of JavaScript and ECM...   • ES playlist:    • EcmaScript Updates   • • 0:00 - Intro • 0:30 - Docs • 3:31 - Code Example: Use Case 1 • 5:45 - Code Example: Use Case 2

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