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This article mainly shows you "how JavaScript gets all the keys of an object". The content is simple and clear. I hope it can help you solve your doubts. Let me lead you to study and learn this article "how to get all the keys of an object by JavaScript".

Get all the keys of the object cosnt obj = {name: "Front-end Intelligence", age: 16, address: "Xiamen", profession: "Front-end Development",}; console.log (Object.keys (obj)); / / name, age, address, what is the role of professionJavaScript 1, can embed dynamic text in HTML pages. 2. Respond to browser events. 3. Read and write HTML elements. 4. Verify the data before it is submitted to the server. 5. Detect the browser information of visitors. 6. Control cookies, including creation and modification, etc. 7. Server-side programming based on Node.js technology.

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