JSPM

A lightweight image comparison tool

A CLI tool to identify differences between Swagger/OpenAPI specs.

A lightweight image comparison tool

A language agnostic CLI tool and nodejs api to identify differences between two json schema files.

Measure the difference between two strings using the Levenshtein distance algorithm

Returns an array with only the unique values from the first array, by excluding all values from additional arrays using strict equality for comparisons.

Fastest Levenshtein distance implementation in JS.

Get the diff type of two semver versions: 0.0.1 0.0.2 → patch

Create an array with values that are present in the first input array but not additional ones

The most efficient JS implementation calculating the Levenshtein distance, i.e. the difference between two strings.

The lodash method `_.difference` exported as a module.

Deep diffs two objects, including nested structures of arrays and objects, and return the difference.

Javascript utility for calculating deep difference, capturing changes, and applying changes across objects; for nodejs and the browser.

Returns the git diff of two strings

Image diff'ing tool that compares pixel by pixel.

A lightweight image comparison tool

Get a pretty output of the original, minified, gzipped size of a string or buffer: 130 B → 91 B → 53 B (gzip)

[](https://www.npmjs.com/package/levenary) [](https://github.com/tanhauhau/levenary/actions)

Apply boolean Polygon clipping operations (intersection, union, difference, xor) to your Polygons & MultiPolygons.

Boolean operations on polygons (union, intersection, difference, xor)

Update object by mapping diff properties

Apply boolean polygon clipping operations (intersection, union, difference, xor) to your Polygons & MultiPolygons.

Modern TypeScript JSON diff library - Zero dependencies, high performance, ESM + CommonJS support. Calculate and apply differences between JSON objects with advanced features like key-based array diffing, JSONPath support, and atomic changesets.

a library for matching human-quality input to a list of potential matches using the Levenshtein distance algorithm

Exact subtraction of non-increasing overlapping sequences

Compute a diff between two pieces of text with support for same-line diffs, and optionally display a visual diff as HTML. Module made from the text-diff-match-patch library.

A library implementing different string similarity

Visual diff between javascript variables

Image to dhash for Browser

The most efficient JS implementation calculating the Levenshtein distance, i.e. the difference between two strings.

Returns the formatted, high-resolution time difference between `start` and `end` times.

Find diff between any two variables where variables be any valid JavaScript data type like string, numeric, array or object

unified plugin to ignore unrelated messages

Return an array with the unique values present in _all_ given arrays using strict equality for comparisons.

Finds the gradient of an ndarray using finite differences

An ESnext spec-compliant `Set.prototype.difference` shim/polyfill/replacement that works as far down as ES3

Uniquely flexible and light-weight utility for cloning and deep (recursive) merging of JavaScript objects. Supports descriptor values, accessor functions, and custom prototypes. Provides advanced options for customizing the clone/merge process.

Sørensen–Dice coefficient

Compare two arrays of objects, finding added, removed, updated and identical objects. Details the differences between updated objects.

Route middleware for Koa and Express that adds a request received high-resolution timer and Date to the request object using easily accessible Symbols to prevent request object pollution. Made for Cabin.

A javascrirpt text diff tool built for node.

Utilities for performing mathematical set operations on intervals and arrays of intervals

Finds difference between the kyes of two objects

Deep Diff Pizza is a simple, 0 dependency utility function that takes in 2 JSON Objects and returns the differences in an easy-to-use format.

Compute JSON hash.

Computes the area of the intersection of two rectangles.

Have you ever needed to compare two JSON objects and make a determination on what is changed deep in the object hierarchy and be able to clearly see what is changed on either objects on the fly while they change? Have you ever wished for ability to merge

compare part of version

Compute the absolute difference of two real numbers.

Return a high-resolution time difference.

Color difference calculator

An ESnext spec-compliant `Set.prototype.symmetricDifference` shim/polyfill/replacement that works as far down as ES3

Make date differences.

ES Map/Set-compatible implementations with customizable equality semantics & supporting operations

Diff two versions of a node module

Get a list of differences between one javascript value and another.

Calculate the difference of two arrays

Formats difference between two dates as a human-readable string in almost any language

Measure differences between pixel arrays extracted from pam images

Uniquely flexible and light-weight utility for cloning and deep (recursive) merging of JavaScript objects. Supports descriptor values, accessor functions, and custom prototypes. Provides advanced options for customizing the clone/merge process.

Boolean operations on polygons (union, intersection, difference, xor)

Measure differences between 2 identically sized buffer arrays of gray, rgb, or rgba pixels.

An array is a collection of values, stored contiguously.

Protractor plugin for image comparison

An iterable is a sequence of values.

Validate options object

Computes the cosine similarity between two vectors

Module to apply image map to source image based on json feed. Requires assets and styling to implement.

Javascript Set operations

Precision timer for nanosecond differences

Javascript utility for calculating deep difference, capturing changes, and applying changes across objects; for nodejs and the browser.

Find common, removed and added element between two arrays.

Get a list of differences between package dependencies

Generate Github like diff result in react.

Find the differences between two arrays and their positions

String difference with colour for Node.js and ANSI formatting. [PUBLIC]

Calculate the cosine distance between arrays

An implementation of Sets in JavaScript

Finds degree of similarity between strings, based on Dice's Coefficient.

Simply sort by similarity, starring Levenshtein via leven

Wilcoxon signed rank test.

line by line diff of two large files

Text diff algorithm based on 'An O(NP) Sequence Comparison Algorithm' from Sun Wu, Udi Manber and Gene Myers

High performance set theory - functional utilities which operate on arbitrary input sets.

A lightweight module which finds the difference between two dates in the human-friendly format

Check, does a plain object (AST/JSON) has any unique keys, not present in a reference object (another AST/JSON)

Like Set() but with union, intersect, difference and more built-in

Closed/open/semi-open interval data type, queries & operations

Differify allows you to get the diff between two entities (objects diff, arrays diff, date diff, functions diff, number diff, etc) very easily, quickly and in a friendly way.

A pack of functions for working with Sets.

Dazzlingly fast JS/TS deep utility tools

A small delta calculator of two json objects (files)

Compares objects or arrays and categorizes all keys as added, deleted, equal or updated

Linear Diff algorithm for Arrays.

New Set methods polyfill

A powerful JSON comparision tool

Apply boolean Polygon clipping operations (intersection, union, difference, xor) to your Polygons & MultiPolygons.

A very efficient library for diffing two sorted streams of tabular data, such as CSV files.

Check if two Sets contain all the same values

Diff any array-like object, including strings

A port of the perceptualdiff image comparison (pdiff.sourceforge.net), and adding some additional features

A mod of Matt Phillips' deep-object-diff package: Deep diffs two objects, including nested structures of arrays and objects, and return the difference.

Computes the Hamming distance between two sequences.

> Get the time differences in second, minute, hour, day, week, month and years

Node-RED added node functions.

An object difference library for NodeJS.

Javascript utility functions for web development

Deep diffs two objects, including nested structures of arrays and objects, and return the difference.

A library for comparing strings and determining their similarity.

Gives values of array not present in another.

A library for comparing nested objects and arrays to find the difference

pdiffy is a perceptual difference tool used to compare images for differences. This tool is primarily aimed at web developement for comparing different states of a website.

A recursive JSON comparison script for humans

A fast algorithm for comparing sets of polylines (e.g. road networks).

Differify allows you to get the diff between two entities (objects diff, arrays diff, date diff, functions diff, number diff, etc) very easily, quickly and in a friendly way.

Generate history logs operations mongoose (delete, update, create).

A minimal-weight lodash.difference equivalent utility

Return the percentage difference between two numbers, optionally rounding.

Compare Dependencies in two or more package.json files

Library for polygons operations

R.difference exported as a module

Gives values of array not present in another.

json-difference cli lib

A package for countdown date and time

Gives values of set not present in others.

A collection of methods for working with Objects.

Create an array of the keys present in the first input object but not additional ones

Finds similar word(s) in a list of words

A lightweight math utility to easily calculate percentages

get deep difference between two JavaScript objects

Yet another JSON diff utility, for generating and applying patches

Returns the symmetric difference (exclusive-or) of an array of elements (elements that are present in all given arrays and not in their intersections).

All mismatch between two strings

Get a matching, missing and excess items of an array based on target array

Encode JavaScript objects into flat strings dictionary. Synchronise complex nested structures over the network with minimal overhead.

A container that allows to store and manipulate an array of spans (or intervals).

Compute the root mean squared error (RMSE) incrementally.

Javascript utility for calculating deep difference with order, capturing changes, and applying changes across objects; for nodejs and the browser.

Compute the mean absolute percentage error (MAPE) incrementally.

A sorted array is a collection of values, arranged in an order.

A collection of methods for working with Objects {web}.

A group of functions for working with Maps {web}.

A group of functions for working with Maps.

Lodash mixin to get a JSON object that represent the value variation of an object compared to another

Compute the mean absolute error (MAE) incrementally.

Compute a moving mean squared error (MSE) incrementally.

Compute a moving root mean squared error (RMSE) incrementally.

provides functions for comparing and calculating the similarity between two strings using various methods.

Compute a moving mean absolute percentage error (MAPE) incrementally.

Compute the residual sum of squares (RSS) incrementally.

Compute a moving mean error (ME) incrementally.

ILists is a pair of key iterable list and value iterable list, with unique keys.

A utility to convert time differences into human-readable strings like '2 days ago' or 'in 5 minutes'.

Compute a moving residual sum of squares (RSS) incrementally.

Compute the mean error (ME) incrementally.

Compute the mean squared error (MSE) incrementally.

Compute the mean arctangent absolute percentage error (MAAPE) incrementally.

A collection of functions for operating upon Entries {web}.

A small library that returns the difference between two JavaScript objects, including nested objects, that handles values of all data types.

A pack of functions for working with Sets {web}.

String's percent similarity

A library to calculate the time difference between the current date and a provided date.

Property difference.

moriutils for working with DOM, Window, Screen and etc.

A library to calcute the times difference between teh current date and a provided date

Calculates the date difference

Compute a moving arctangent mean absolute percentage error (MAAPE) incrementally.

Wrapper script around 'npm'. Use it instead of 'npm' to get a readable diff of the dependency trees from before and after the execution of an npm command.

Generate Github like diff result in react.

Deep diffs two objects, including nested structures of arrays and objects, and return the difference.

Compute the mean percentage error (MPE) incrementally.

Node.js utility functions to handle objects

Compute a moving mean percentage error (MPE) incrementally.

Measure how similar two strings are using the Sørensen–Dice Coefficient

Combine nodes yielding a transform node made up of files belonging to one and only one of the input nodes.

Returns evenly spaced values within given interval.

Utility for diffing arrays.

Find the differences between two JSONs

ILists is a pair of key iterable list and value iterable list, with unique keys {web}.

Returns the difference between two objects

JSON diffing on steroids

Compare two sets of images and generate difference images

An array is a collection of values, stored contiguously {web}.

Gives values of array not present in another.

Creates an array of array values not included in the other given arrays.

A diff library to compare text differences between two texts.

A collection of utilities to calculate differences between JavaScript objects.

Deep diffs two objects, including nested structures of arrays and objects, and return the difference.

Timeago is a plugin that makes it easy to support automatically updating fuzzy timestamps (e.g. "4 minutes ago" or "1 day ago")

Node.js module to add, subtract, intersect timespans and generate them from rules.

Comparison engine

A diff library for Rust

subtract numbers

prompt the diffrence of two json objects

this package lets you compare two strings and give you how much percent they are similar

Command line tool for recursive directory comparison

Helper functions for manipulating and tracking changes to object leaf values

Finds degree of similarity between strings, based on Dice's Coefficient, which is mostly better than Levenshtein distance.

Depth compares object differences, generates discrepancy results, and allows updates of old objects through this result. The main purpose is to save traffic and achieve part update of data. 深度比较对象差异, 生成差异结果, 并允许通过此结果来对旧对象进行更新, 主要目的是节约流量, 实现数据的局部更新.

Simple javascript safe arithmetic functions

Array difference.

↔️ Deep diffing utility.

> Utility to perform deep diff on any data types with smart order detection in arrays and different views implemented for convenience

Have two geojson lines? Yes? Good! Use this tool to find differences between the two.

A collection of functions for operating upon Lists.

An iterable is a sequence of values {web}.

Deep diffs two objects, including nested structures of arrays and objects, and return the difference.

Stdout difference from two JS Objects in the TTY

Finds measure of similarity/distance between two input sets.

This is a JavaScript Date Comparison Open Source Library to provide precise date and time comparison calculations between two dates for Years, Months, Days, Weeks, Hours, Minutes and Seconds. The aim of this library is to assist JavaScript Developers in t

npm-module to compare images with protractor

Real simple string diffing.

A sorted array is a collection of values, arranged in an order {web}.

Visually compare two webgl render loops on the fly

Compare two image buffers in node

A collection of functions for operating upon Entries.

Counts occurrences of values.

Finds degree of similarity between two strings, based on Dice's Coefficient and Levenshtein Distance.

A recipe difference plugin for Brauhaus.js

Date extention libirary for time difference.

Photoshop-style blend modes for HTML Canvas Contexts

Display files size difference between before and after point of pipeline stream. Designed for measuring efficiency minifying tools like uglify or cssnano.

set union & interset etc operations

Node.js library for comparing objects.

Test application

Get a pretty output of the original, minified, gzipped size of a string or buffer: 130 B → 91 B → 53 B (gzip)

One-way array difference.

Generate Github like diff result in react.

Gives values not present in both arrays.

Apply boolean polygon clipping operations (intersection, union, difference, xor) to your Polygons & MultiPolygons.

Get the time difference between two date strings or two time strings.

Allows Union, Difference, Xor, and Intersection operations on two polygons.

Array difference for next.

command line tool

command line tool

library node js untuk menghitung selisih dan detail antara dua tanggal.

Extract class structure difference.

a CLI utility for matching colors to a palette

A basic library for some utility functions

A JavaScript port of the polyclip library

Compute a diff between two pieces of text with support for same-line diffs, and optionally display a visual diff as HTML. Module made from the text-diff-match-patch library.

difference calculator

A lightning-fast implementation of the Levenshtein distance algorithm. Written in AssemblyScript, compiled to WebAssembly, and optimized for speed.

Apply boolean Polygon clipping operations (intersection, union, difference, xor) to your Polygons & MultiPolygons.

Utility for creating generic deep typed diffs to track changes between lifecycles of objects.

Subtract two double-precision complex floating-point numbers.

RegexSolver allows you to manipulate regular expressions as sets, enabling operations such as intersection, union, and subtraction.

Compare Strings Similarity Based on Levenshtein Distance Algorithm

INterface Diffing and Inspection Assistant

A sidebar UI for gl-compare