JSPM

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.

A lightweight image comparison tool

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

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.

A lightweight image comparison tool

Sørensen–Dice coefficient

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

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

Compute JSON hash.

Computes the area of the intersection of two rectangles.

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

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.

Make date differences.

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

Diff two versions of a node module

Calculate the difference of two arrays

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

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.

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

Finds difference between the kyes of two objects

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.

An array is a collection of values, stored contiguously.

Protractor plugin for image comparison

Validate options object

An iterable is a sequence of values.

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.

Precision timer for nanosecond differences

Find common, removed and added element between two arrays.

Javascript Set operations

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]

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.

Wilcoxon signed rank test.

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.

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

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

compare part of version

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

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)

Linear Diff algorithm for Arrays.

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

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

New Set methods polyfill

Check if two Sets contain all the same values

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.

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

Diff any array-like object, including strings

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.

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

A library for comparing strings and determining their similarity.

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

A recursive JSON comparison script for humans

Javascript utility functions for web development

Gives values of array not present in another.

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).

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

A minimal-weight lodash.difference equivalent utility

Compare Dependencies in two or more package.json files

Return the percentage difference between two numbers, optionally rounding.

Library for polygons operations

Image diff'ing tool that compares pixel by pixel.

Gives values of array not present in another.

R.difference exported as a module

json-difference cli lib

A package for countdown date and time

Gives values of set not present in others.

Finds similar word(s) in a list of words

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

A lightweight math utility to easily calculate percentages

get deep difference between two JavaScript objects

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

Yet another JSON diff utility, for generating and applying patches

All mismatch between two strings

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

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

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

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

Compute the root mean squared error (RMSE) incrementally.

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

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 lightweight image comparison tool

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

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.

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 absolute percentage error (MAPE) incrementally.

Compute the residual sum of squares (RSS) incrementally.

A collection of methods for working with Objects.

Compute a moving mean error (ME) incrementally.

Compute the mean squared error (MSE) 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 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}.

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

String's percent similarity

Property difference.

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

Calculates the date difference

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

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

Compute the mean percentage error (MPE) incrementally.

Node.js utility functions to handle objects

Compute a moving mean percentage error (MPE) incrementally.

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

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.

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.

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

Returns evenly spaced values within given interval.

A javascrirpt text diff tool built for node.

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

Utility for diffing arrays.

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

Find the differences between two JSONs

Returns the difference between two objects

JSON diffing on steroids

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

Gives values of array not present in another.

A diff library to compare text differences between two texts.

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

A diff library for Rust

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

A collection of utilities to calculate differences between JavaScript objects.

subtract numbers

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

prompt the diffrence of two json objects

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

Comparison engine

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

Helper functions for manipulating and tracking changes to object leaf values

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.

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

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

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.

npm-module to compare images with protractor

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

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

Visually compare two webgl render loops on the fly

Real simple string diffing.

Compare two image buffers in node

Compare two sets of images and generate difference images

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.

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

set union & interset etc operations

One-way array difference.

Node.js library for comparing objects.

Test application

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.

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

Extract class structure difference.

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.

a CLI utility for matching colors to a palette

A basic library for some utility functions

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.

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

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

Subtract two double-precision complex floating-point numbers.

Compare Strings Similarity Based on Levenshtein Distance Algorithm

INterface Diffing and Inspection Assistant

A sidebar UI for gl-compare

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

Helpers for Set objects.

Finds measure of similarity between two strings using Ochiai coefficient.

Utility for producing a Rails-compatible object from a JavaScript or JSON one; perfect for create (POST) or update (PUT) endpoints

hyperterm custom cursor

A utility library providing common array manipulations and React hooks.

function that returns true if their two parameters are different


returns the closest value / vector / vectorN from an array

Counts occurrences of values.

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

前端工具库集合, 工作业务制作, 提高编码能力, 业务开发效率

Compare two gl-fbo instances' contents for matching pixels.

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

自定义js常用库代码

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

Returns evenly spaced values within given interval.

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

Computes the Minkowski distance between two arrays.

Methods for spatial operations on (Multi)Polygons

Compare JS Objects With Color Difference.

Ensure a function is stable, meaning the same input always produces the same output

The Deep Equal Assertion With Color.

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