Lodash
Lodash is a popular JavaScript utility library that provides modular, high-performance functions for common programming tasks such as array manipulation, object iteration, and data transformation. It offers a consistent API that works across different JavaScript environments, including browsers and Node.js, making it a go-to tool for simplifying complex operations and improving code readability.
Developers should learn Lodash when working on JavaScript projects that involve heavy data manipulation, as it reduces boilerplate code and handles edge cases (like null values) more robustly than native methods. It's particularly useful in applications dealing with large datasets, functional programming patterns, or when consistency across different environments is critical, such as in full-stack development or legacy browser support.