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Editor to share with you how to use the unfold operator JavaScript, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to understand it!

Use the unfold operator (...) var fruits = ["Apple", "Banana", "Mango"]; var moreFruits = ["Orange",... fruits]; console.log (moreFruits); / / Prints ["Orange", "Apple", "Banana", "Mango"] var someoMoreFruits = ["Guava", "Papaya",... moreFruits]; console.log (someoMoreFruits) / Prints ["Guava", "Papaya", "Orange", "Apple", "Banana", "Mango"] console.log (fruits); / / Prints ["Apple", "Banana", "Mango"] what are the characteristics of JavaScript 1. Js belongs to an interpretive scripting language 2. With the support of most browsers, js can run on a variety of platforms and has cross-platform characteristics. 3. Js is a weak type scripting language, which does not make strict requirements on the data types used, and can convert types, which is simple and easy to use. 4. Js language is highly secure and can only browse information or interact dynamically through the browser, so as to effectively prevent data loss. 5. Object-based scripting language, js can not only create objects, but also use existing objects.

That's all of the article "how JavaScript uses the unfold operator". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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