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This article will explain in detail how to implement array map in ES5 in JavaScript. The editor thinks it is very practical, so I share it with you for reference. I hope you can get something after reading this article.

Implementation of Array map method with ES5

It is worth mentioning that the second parameter of map is the this point in the first parameter callback. If the first parameter is an arrow function, setting the second this will fail because of the lexical binding of the arrow function.

This is the end of this article on "how to implement array map methods in ES5 in JavaScript". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.

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