JavaScript Objects: Properties — Reading, Adding, Deleting, Checking, and Iterating
✏️ We'll begin exploring objects, covering basic syntax and key concepts (property, property name, property value, key, field), understanding how to read, add, modify, and delete object properties, learning about shorthand notation for object properties, learning how to check for a property in an object using the 'in' operator and looping through object properties using the for in loop, and finally, we'll talk about the order of object properties.
🔴 Timeline:
▶ 00:00 | Introduction
▶ 00:23 | Objects
▶ 00:59 | Object Property Name
▶ 01:38 | Object Property Value
▶ 02:25 | Reading an Object Property
▶ 04:15 | Adding a Property to an Object
▶ 05:02 | Changing an Object Property Value
▶ 05:34 | Removing a Property from an Object
▶ 06:18 | Redefining a Variable Containing an Object
▶ 07:04 | Object Property Shorthand
▶ 08:05 | Object Property Names
▶ 10:43 | Determining if an Object Has a Property — the "in" Operator
▶ 10:58 | Looping Through an Object's Properties — the for in Loop
▶ 13:11 | Object Property Order
▶ 15:17 | Conclusion
📚 Video links:
➖ JavaScript documentation from MDN: https://developer.mozilla.org/ru/docs...
➖ Russian-language JavaScript reference Doka: https://doka.guide/js/
➖ Fundamental online JavaScript tutorial: https://learn.javascript.ru/
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https://t.me/FriendlyFrontend
🧑💻 Main Telegram channel:
https://t.me/AleksanderLamkov
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🗂️ Free courses on the channel:
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➖ Telegram: https://t.me/AleksanderLamkov
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