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Package Summary

nth-check is a lightweight JavaScript library focused on validating and parsing nth-child-like selectors. It offers utilities for understanding and manipulating complex selector formulas commonly found in CSS. Primarily utilized within CSS processing tools and browser engines, this package empowers developers to accurately determine if an element matches a given nth-child expression, contributing to precise style application and layout rendering. It is optimized for performance and accuracy.

Release Frequency

Historycal data about package versions

Releases Summary

The npm package nth-check has infrequent releases. Initial versions 1.0.0 and 1.0.1 were released in February 2014 and March 2015 respectively. Version 1.0.2 came out in October 2018. Version 2.0.0 was released in December 2020 and 2.0.1 in September 2021. The latest releases, versions 2.1.0 and 2.1.1, were in May 2022. No releases have occurred since May 2022.

All Versions

Popularity Overview

GH Stars

GH Forks

GH Watchers

Downloads History

Historycal data about package downloads in the last 18 months

Popularity Summary

Nth-check's npm package downloads show a generally increasing trend from March 2024 to August 2025, peaking in June 2025. Downloads consistently exceeded 100 million monthly. September 2025 data is incomplete, showing zero downloads so far. The overall trend suggests strong and growing usage of the package.

Security Overview

Vulnerabilities

Last Version with Vulnerabilities

2.0.0

Vulnerabilities Tracker

Historycal data about package vulnerabilities across all the stable versions

Vulnerabilites Summary

Nth-check npm package versions 1.0.0, 1.0.1, 1.0.2, and 2.0.0 each have one security vulnerability. Versions 2.0.1, 2.1.0, and 2.1.1 have no reported vulnerabilities.

Complete Security Overview