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

Fastest Levenshtein distance implementation in JS.

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

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

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

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

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

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

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

Returns the git diff of two strings

Image diff'ing tool that compares pixel by pixel.

A lightweight image comparison tool

[](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.

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

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

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

Update object by mapping diff properties

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

A library implementing different string similarity

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.

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

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

unified plugin to ignore unrelated messages

Finds the gradient of an ndarray using finite differences

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

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

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.

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

A javascrirpt text diff tool built for node.

Finds difference between the kyes of two objects

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

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.

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

Diff two versions of a node module

Make date differences.

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

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

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.

Measure differences between pixel arrays extracted from pam images

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

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

Validate options object

An array is a collection of values, stored contiguously.

Protractor plugin for image comparison

An iterable is a sequence of values.

Computes the cosine similarity between two vectors

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.

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

Get a list of differences between package dependencies

Javascript Set operations

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

Find the differences between two arrays and their positions

Generate Github like diff result in react.

An implementation of Sets in JavaScript

Calculate the cosine distance between arrays

Simply sort by similarity, starring Levenshtein via leven

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

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

Wilcoxon signed rank test.

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

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

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

A pack of functions for working with Sets.

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.

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

Dazzlingly fast JS/TS deep utility tools

A small delta calculator of two json objects (files)

Linear Diff algorithm for Arrays.

New Set methods polyfill

A powerful JSON comparision tool

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

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

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

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

Diff any array-like object, including strings

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

Computes the Hamming distance between two sequences.

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

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

Check if two Sets contain all the same values

Node-RED added node functions.

An object difference library for NodeJS.

Gives values of array not present in another.

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 library for comparing strings and determining their similarity.

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

A recursive JSON comparison script for humans

Javascript utility functions for web development

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

json-difference cli lib

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

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

A package for countdown date and time

Gives values of array not present in another.

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

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

get deep difference between two JavaScript objects

A lightweight math utility to easily calculate percentages

Yet another JSON diff utility, for generating and applying patches

Finds similar word(s) in a list of words

All mismatch between two strings

A human-friendly time difference library for JavaScript (like Twitter/WhatsApp timestamps).

Compute the mean absolute error (MAE) incrementally.

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

Compute the root mean squared error (RMSE) incrementally.

Compute the mean squared error (MSE) incrementally.

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

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

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

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

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

Compute the mean absolute percentage error (MAPE) incrementally.

A group of functions for working with Maps.

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

Property difference.

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

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

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

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

Compute a moving mean squared error (MSE) incrementally.

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

Compute the mean percentage error (MPE) incrementally.

Compute a moving mean percentage error (MPE) incrementally.

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

Compute the residual sum of squares (RSS) incrementally.

Compute a moving mean error (ME) incrementally.

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

Compute the mean error (ME) incrementally.

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

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

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

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}.

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

Calculates the date 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

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

Gives values not present in both arrays.

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.

Node.js utility functions to handle objects

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

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

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

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

A set of helpers in TS/JS, compatible with tree-shaking, for array.

Array difference.

Returns evenly spaced values within given interval.

String's percent similarity

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}.

A diff library to compare text differences between two texts.

Returns the difference between two objects

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

Compare two sets of images and generate difference images

JSON diffing on steroids

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

A diff library for Rust

A collection of utilities to calculate differences between JavaScript objects.

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

Helper functions for manipulating and tracking changes to object leaf values

Gives values of array not present in another.

prompt the diffrence of two json objects

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

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

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

Comparison engine

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.

One-way array difference.

Command line tool for recursive directory comparison

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

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

subtract numbers

↔️ Deep diffing utility.

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

A collection of functions for operating upon Lists.

Real simple string diffing.

An iterable is a sequence of values {web}.

Counts occurrences of values.

npm-module to compare images with protractor

Subtract two double-precision complex floating-point numbers.

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

Stdout difference from two JS Objects in the TTY

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

Visually compare two webgl render loops on the fly

[](https://codeclimate.com/github/NikiforovJacob/project-lvl2-s413/maintainability) [![Test Coverage](https://api.codeclimate.com/v1/badges/a99a88d28ad37a79dbf6/

Here you can add ,substract,multiply and divide two numbers by writing add(a,b) ,sub(a,b),mult(a,b),div(a,b) and it will return the calculated value

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

A collection of functions for operating upon Entries.

Library to format time and dates

A recipe difference plugin for Brauhaus.js

Date extention libirary for time difference.

Compare two image buffers in node

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.

Finds measure of similarity/distance between two input sets.

Photoshop-style blend modes for HTML Canvas Contexts

set union & interset etc operations

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

Node.js library for comparing objects.

Test application

config files difference generation

Generate Github like diff result in react.

Return the positive difference between `x` and `y`.

A JavaScript port of the polyclip library

Simple javascript safe arithmetic functions

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

Creates an array of unique values that are included in all given arrays.

Return the positive difference between `x` and `y`.

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

command line tool

Find the difference between two arrays and compute the minimal steps to transform one array to another.

command line tool

difference calculator

Extract class structure difference.