Awesome GitHub RepositoriesJavaScript Utilities

This project is a developer knowledge base and a curated library of programming code snippets. It serves as a multi-language coding reference that provides short technical articles and reusable code samples to help developers implement common programming patterns. The resource functions as a multi-language syntax reference, allowing for the comparison of logic and functionality across different programming environments. It focuses on programming pattern learning and coding skill improvement through a collection of optimized patterns and best practices. The platform includes capabilities for

Moment is a JavaScript date manipulation library used for parsing, validating, manipulating, and formatting dates and times. It provides a system for converting date strings into structured objects using the ISO 8601 standard or custom tokens. The library includes a timezone management tool for handling UTC offsets and geographic timezones, ensuring accurate date calculations across different regions. It features an internationalized date formatter and a relative time calculator to render timestamps as human-friendly durations adapted to various cultural locales and languages. The project co

This is a persistent data structure library for JavaScript that provides collections which prevent the direct mutation of objects and arrays. It serves as an immutable state management tool and functional programming utility, ensuring that data remains unchanged after creation to simplify change detection and state tracking. The library enables the maintenance of application state by producing new versions of data structures during updates. It focuses on efficient data comparison by checking actual content instead of memory references and supports a functional programming workflow to prevent

This project is a curated reference guide and cheatsheet for modern JavaScript development. It provides a collection of syntax and patterns covering ECMAScript standards, specifically focusing on contemporary language features from ES6 and later. The resource offers specialized guides on asynchronous JavaScript, functional programming patterns, and object-oriented design. It details the use of promises and async/await syntax for non-blocking operations, as well as the application of map, filter, and reduce for data transformation. The guide covers a broad range of language fundamentals, incl

validator.js is a JavaScript string validation and sanitization library. It provides a set of functions to verify that strings match specific patterns—such as emails, URLs, and alphanumeric formats—and a toolkit for cleaning and transforming text input to remove prohibited characters and trim whitespace. The library includes utilities for standardizing email addresses by lowercasing domains and removing sub-addressing markers. It also functions as an HTML entity escaper, replacing special characters with entities to prevent the browser from executing text as code. The project covers capabili

Lazy.js is a JavaScript library that implements a lazy evaluation model for processing collections and data streams. It defers all computation until iteration begins, building chains of transformations that execute only when values are consumed, avoiding intermediate arrays and buffering. The library wraps data sources into a uniform sequence interface, enabling operations like map and filter to be chained together without materializing intermediate results. The library extends lazy processing beyond simple collections to handle asynchronous data sources, DOM events, strings, and Node.js stre

accounting.js es una librería de JavaScript y suite de utilidades para formatear números localizados y cadenas de moneda, redondear valores decimales y analizar cadenas de moneda. Proporciona herramientas para transformar valores numéricos en cadenas legibles por humanos utilizando separadores específicos del idioma y símbolos personalizados. La librería incluye un analizador de cadenas de moneda para extraer valores numéricos sin procesar de cadenas formateadas eliminando símbolos y separadores. También cuenta con una herramienta de redondeo de punto flotante diseñada para evitar errores de precisión binaria durante los cálculos financieros. Las capacidades adicionales cubren la alineación vertical de símbolos de moneda y puntos decimales para tablas financieras. El conjunto de herramientas también admite el formato de números localizados y la conversión de números o matrices de números en cadenas con configuraciones de precisión específicas.

Sugar es una biblioteca de utilidades de JavaScript diseñada para extender objetos y prototipos nativos con métodos adicionales para la manipulación y transformación de datos. Funciona como un kit de herramientas para utilidades de objetos, manipulación de fechas, inflexión de cadenas y el polyfilling de características del lenguaje estándar faltantes o rotas. La biblioteca proporciona la capacidad de mapear métodos de utilidad directamente sobre prototipos integrados o envolver valores en objetos temporales para permitir el encadenamiento de métodos sin modificar los prototipos globales. También incluye un sistema de polyfill para asegurar un comportamiento consistente en diferentes entornos de ejecución mediante la implementación de funcionalidades modernas del lenguaje faltantes. Las capacidades incluyen el formato internacional de fechas y el análisis de cadenas de fechas humanizadas. La biblioteca también maneja el procesamiento de lenguaje natural mediante la inflexión y normalización de cadenas, el recorrido profundo de propiedades de objetos anidados y la ordenación de arrays consciente de la configuración regional. Además, proporciona herramientas para clonar objetos mutables y definir rangos de valores para números, fechas y cadenas.

money.js is a tiny (1kb) javascript currency conversion library, for web & nodeJS