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Lodash _.isNative

Overview

The lodash _.isNative method is designed to determine whether a value is a native function. It is part of the popular JavaScript utility library Lodash, which provides a wide range of convenience functions that can make working with various data structures in JavaScript more efficient and effective.

When used with a value as an argument, the _.isNative method examines the internal [[Class]] property of the value to see if it matches the value for a function. If it does match, then it further checks the value's internal [[NativeBrand]] property to determine if the function is a native function.

Native functions are functions that are implemented and provided by the JavaScript runtime environment. They are typically built-in functions that are used as part of the core functionality of the language, such as Math.abs() or Array.prototype.map(). As such, they tend to have better performance characteristics than non-native functions, and are more likely to behave consistently across different environments.

The _.isNative method is typically used to determine whether a given function is a native function, especially when working with third-party libraries or other code that may not always provide consistent behavior. By checking whether a function is native, developers can ensure that they are using an optimized and reliable implementation, which can help improve the performance and stability of their code.

Overall, the lodash _.isNative method is a powerful and flexible tool that can be used to help ensure that JavaScript code is running as efficiently and reliably as possible. Its ability to quickly and easily identify native functions is just one of the many ways in which Lodash helps to simplify and streamline the development process.