Web Reference: **Properties: Not Just Static**: Grasp the dynamic essence of JavaScript objects. They're not rigid structures; they're ever-evolving, much like us. Add New Properties to a JavaScript Object You can add new properties to existing JavaScript objects the same way you would modify them. Here's how we would add a bark property to ourDog: ourDog.bark = "bow-wow"; or ourDog["bark"] = "bow-wow"; Now when we evaluate ourDog.bark, we'll get his bark, bow-wow. Example: JavaScript is easy to learn. This tutorial covers everything from basic JavaScript up to the latest 2026 version. Start learning JavaScript now » With our Try it Yourself editor, you can edit the source code and view the result. We recommend reading this tutorial, in the sequence listed in the menu.
YouTube Excerpt: "Speak,
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