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AngularJS VS Day.js

Compare AngularJS VS Day.js and see what are their differences

AngularJS logo AngularJS

AngularJS lets you extend HTML vocabulary for your application. The resulting environment is extraordinarily expressive, readable, and quick to develop.

Day.js logo Day.js

2kB JavaScript date utility library
  • AngularJS Landing page
    Landing page //
    2022-04-15
  • Day.js Landing page
    Landing page //
    2022-06-11

AngularJS features and specs

  • Two-way data binding
    AngularJS's two-way data binding feature synchronizes data between the model and the view components, reducing the amount of boilerplate code required for data manipulation and improving ease of use.
  • Dependency Injection
    The built-in dependency injection mechanism in AngularJS facilitates better organization and management of services, making the code more modular, testable, and reusable.
  • Modular Development
    AngularJS allows developers to break down applications into modules. This modular approach helps in better code organization, easier maintenance, and parallel development.
  • Community and Ecosystem
    Backed by Google, AngularJS has a large and active community. This extensive support system provides a wealth of resources, plugins, and third-party tools that can facilitate the development process.
  • Directives
    Directives in AngularJS allow developers to extend HTML with new attributes and elements, enabling the creation of custom and reusable components with ease.
  • MVVM Architecture
    The Model-View-ViewModel (MVVM) architecture promotes the separation of concerns, allowing developers to work on different parts of the application without interfering with each other.

Possible disadvantages of AngularJS

  • Performance Issues
    AngularJS's two-way data binding can induce performance issues in large applications due to the constant checking and updating of the binding, which can impact the overall application speed.
  • Steep Learning Curve
    The complexity of AngularJS, with its various concepts such as directives, dependency injection, and MVVM architecture, can present a steep learning curve for new developers.
  • Migration Challenges
    Migrating from AngularJS to newer versions like Angular (2+), which are fundamentally different, poses significant challenges and often requires a complete codebase rewrite.
  • Verbose Code
    AngularJS's syntax can sometimes lead to verbose and complicated code, which can be difficult to read and maintain, especially for large-scale applications.
  • Limited Mobile Support
    Despite its strengths, AngularJS does not offer the same level of performance optimization for mobile applications, making it less ideal for mobile-first development compared to some other frameworks.
  • Legacy Framework
    AngularJS is considered a legacy framework with a focus shifted towards Angular (2+). As a result, it receives fewer updates and less community attention compared to newer frameworks.

Day.js features and specs

  • Lightweight
    Day.js is a small library, approximately 2KB in size, which makes it ideal for projects that require minimal impact on load times and performance.
  • Immutable API
    Day.js uses an immutable API which avoids modifying the original date objects. This helps in preventing unexpected side effects and makes the code more reliable.
  • Familiar API
    Day.js has an API similar to Moment.js, which makes it easier for developers who have used Moment.js to transition or use alongside Day.js.
  • Plugin System
    Day.js offers a flexible plugin system, allowing developers to add only the functionalities they need, keeping the library lightweight and customizable.
  • No Dependencies
    Day.js does not rely on any external dependencies, reducing potential vulnerabilities and keeping the code base clean.

Possible disadvantages of Day.js

  • Limited Out-of-the-box Features
    Day.js, being lightweight, offers fewer built-in features than some larger libraries like Moment.js. Developers often need to use plugins to access additional functionalities.
  • Edge Case Handling
    Day.js may not cover as many edge cases as some other more comprehensive date libraries, particularly those that deal with internationalization and timezone complexities.
  • Community and Ecosystem
    While growing, Day.js might have a smaller community and fewer third-party integrations compared to older libraries like Moment.js.
  • Time Zone Support
    Day.js has basic timezone support through plugins, but it may not be as intuitive or comprehensive as libraries specifically designed for timezone handling.

AngularJS videos

What Is AngularJS

More videos:

  • Review - AngularJS Fundamentals In 60-ish Minutes

Day.js videos

No Day.js videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to AngularJS and Day.js)
Javascript UI Libraries
83 83%
17% 17
JavaScript Framework
100 100%
0% 0
JS Library
78 78%
22% 22
Web Frameworks
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare AngularJS and Day.js

AngularJS Reviews

Top JavaScript Frameworks in 2025
AngularJS is an open-source framework used for developing web applications. Google developed it and made it open-source in 2010. It is one of the top choices of developers when it comes to building web applications using JavaScript. Hire web developers from SolGuruz and allow us to help you build white-label solutions.
Source: solguruz.com
20 Next.js Alternatives Worth Considering
Yes, Angular Universal provides server-side rendering capabilities for Angular applications. This tool allows Angular apps to benefit from SSR, improving performance and SEO by rendering pages on the server before sending them to the client.
The 20 Best Laravel Alternatives for Web Development
NestJS is a Node.js framework that’s inspired by Angular, and guess what? It’s written in TypeScript. Building with Typescript is like you’re navigating with the stars. It’s all about sturdy architecture, a server-side framework that enjoys the scripting superness while piling on extra sturdiness.
Top 9 best Frameworks for web development
The best frameworks for web development include React, Angular, Vue.js, Django, Spring, Laravel, Ruby on Rails, Flask and Express.js. Each of these frameworks has its own advantages and distinctive features, so it is important to choose the framework that best suits the needs of your project.
Source: www.kiwop.com
9 Best JavaScript Frameworks to Use in 2023
Angular.js is a powerful JavaScript-based web development framework. It has been designed to make web development more efficient and easy to use. Angular.js is based on the Model-View-Controller (MVC) architecture, which makes it easy to develop dynamic web applications. It also provides many features that make web development more efficient, such as data binding, dependency...
Source: ninetailed.io

Day.js Reviews

We have no reviews of Day.js yet.
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Social recommendations and mentions

AngularJS might be a bit more popular than Day.js. We know about 50 links to it since March 2021 and only 40 links to Day.js. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

AngularJS mentions (50)

  • Between Diapers and Development – How My Blog Came to Life with Eleventy
    To maximize learning, I could choose something new. Normally, I consider that a valid reason. But given my limited time, that wasn't a priority for me. Another criterion could be long-term viability: Is there a large core team and an active community? Well, who still remembers AngularJS? From Google? And didn’t Facebook/Meta start Jest? I wouldn’t rely too much on that. - Source: dev.to / 29 days ago
  • 11 Quick and Easy Tips for Optimizing AngularJS Performance
    AngularJS is an open-source JavaScript framework that developers use to build frontend applications. It comes with modular support, an extensive community, and all the tools that help develop and manage dynamic frontend web apps. - Source: dev.to / 4 months ago
  • Angular Tutorial: Host Element Binding
    Ok, what we'll use now is something that existed back in the day, after we switched from AngularJS to Angular 2 or modern Angular. We'll use the old/new host property on the component decorator. - Source: dev.to / 10 months ago
  • ⏰ It’s time to talk about Import Map, Micro Frontend, and Nx Monorepo
    Just to give you more context, I led the migration of several AngularJS applications to the newer Angular Framework. My client finally decided to make that move following the AngularJS deprecation announcement (stay up to date please 🙏)️. - Source: dev.to / about 1 year ago
  • JS Toolbox 2024: Essential Picks for Modern Developers Series Overview
    The next post in the series provides a thorough comparison of popular frameworks like React, Vue, Angular, and Svelte, focusing on their unique features and suitability for different project types. - Source: dev.to / about 1 year ago
View more

Day.js mentions (40)

  • Getting started with Zustand state management for React
    In keeping with our functional style of programming, we create a new array with the added or removed bookmark each time we add or remove one. Note I have added a third key/value pair to the bookmarks array, dateAdded, but you can disregard that. If you do want this same functionality don't forget to install and import Day.js. Next I will add the partial persistence code:. - Source: dev.to / 29 days ago
  • Say Goodbye to JavaScript’s DST Date Confusion
    These issues can also occur in date-time libraries such as moment.js, date-fns, Day.js, and luxon. - Source: dev.to / about 2 months ago
  • JavaScript Temporal Is Coming
    The author spells out a few pitfalls of Moment's design and why they're not addressing these as well as alternatives (Luxon, Day.js, date-fns, js-Joda) I've switched to Day.js instead[1] [0] https://momentjs.com/docs/#/-project-status/ [1] https://day.js.org/. - Source: Hacker News / 3 months ago
  • React Custom Hooks vs. Helper Functions - When To Use Both
    In this code snippet, we use the Javascript date library Day.js to parse and format the date, which gives us a more powerful method for formatting our dates. - Source: dev.to / 10 months ago
  • You're parsing URLs wrong.
    The fact that moment.js or day.js needs to exist in 2024 bothers me a lot. - Source: dev.to / 11 months ago
View more

What are some alternatives?

When comparing AngularJS and Day.js, you can also consider the following products

Vue.js - Reactive Components for Modern Web Interfaces

date-fns - date-fns provides the most comprehensive yet simple and consistent toolset for manipulating JavaScript dates in a browser & Node.js.

React - A JavaScript library for building user interfaces

Moment.js - Parse, validate, manipulate, and display dates in JavaScript

ember.js - A JavaScript framework for creating ambitious web apps

Luxon - Application and Data, Libraries, and Javascript Utilities & Libraries