We will not be addressing tree shaking or bundle size issues.We will not be changing Moment's API to be immutable.We will not be adding new features or capabilities.We now generally consider Moment to be a legacy project in maintenance mode. We would also like to promote the Temporal addition to the JavaScript language, which is looking for feedback and contributors. Instead, we would like to recommend alternatives that are excellent choices for use in modern applications today. We recognize that many existing projects may continue to use Moment, but we would like to discourage Moment from being used in new projects going forward. The Moment team has discussed these issues at length. 4 alternatives to moment.js for internationalizing dates.You Probably Don't Need Moment.js Anymore.Recently, Chrome Dev Tools started showing recommendations for replacing Moment for the size alone. Libraries like Luxon (and others) take advantage of this, reducing or removing the need to ship your own data files. Modern web browsers (and Node.js) expose internationalization and time zone support via the Intl object, codified as ECMA-402. If one needs internationalization or time zone support, Moment can get quite large. Moment doesn't work well with modern "tree shaking" algorithms, so it tends to increase the size of web application bundles. Since this has already been accomplished in other libraries, we feel that it is more important to retain the mutable API.Īnother common argument against using Moment in modern applications is its size. We address it in our usage guidance but it still comes as a surprise to most new users.Ĭhanging Moment to be immutable would be a breaking change for every one of the projects that use it.Ĭreating a "Moment v3" that was immutable would be a tremendous undertaking and would make Moment a different library entirely. This is a common source of complaints about Moment. Given how many projects depend on it, we choose to prioritize stability over new features.Īs an example, consider that Moment objects are mutable. Moment has evolved somewhat over the years, but it has essentially the same design as it did when it was created in 2011. The modern web looks much different these days. JS Graphics JS Graphics JS Canvas JS Plotly JS Chart.js JS Google Chart JS D3.Moment.js has been successfully used in millions of projects, and we are happy to have contributed to making date and time better on the web.Īs of September 2020, Moment gets over 12 million downloads per week! However, Moment was built for the previous era of the JavaScript ecosystem. JS vs jQuery jQuery Selectors jQuery HTML jQuery CSS jQuery DOM JS JSON JSON Intro JSON Syntax JSON vs XML JSON Data Types JSON Parse JSON Stringify JSON Objects JSON Arrays JSON Server JSON PHP JSON HTML JSON JSONP JS AJAX AJAX Intro AJAX XMLHttp AJAX Request AJAX Response AJAX XML File AJAX PHP AJAX ASP AJAX Database AJAX Applications AJAX Examples JS Web APIs Web API Intro Web Forms API Web History API Web Storage API Web Worker API Web Fetch API Web Geolocation API JS Browser BOM JS Window JS Screen JS Location JS History JS Navigator JS Popup Alert JS Timing JS Cookies JS HTML DOM DOM Intro DOM Methods DOM Document DOM Elements DOM HTML DOM Forms DOM CSS DOM Animations DOM Events DOM Event Listener DOM Navigation DOM Nodes DOM Collections DOM Node Lists JS Async JS Callbacks JS Asynchronous JS Promises JS Async/Await JS Classes Class Intro Class Inheritance Class Static JS Functions Function Definitions Function Parameters Function Invocation Function Call Function Apply Function Bind Function Closures JS Objects Object Definitions Object Properties Object Methods Object Display Object Accessors Object Constructors Object Prototypes Object Iterables Object Sets Object Maps Object Reference JS Tutorial JS HOME JS Introduction JS Where To JS Output JS Statements JS Syntax JS Comments JS Variables JS Let JS Const JS Operators JS Arithmetic JS Assignment JS Data Types JS Functions JS Objects JS Events JS Strings JS String Methods JS String Search JS String Templates JS Numbers JS BigInt JS Number Methods JS Number Properties JS Arrays JS Array Methods JS Array Sort JS Array Iteration JS Array Const JS Dates JS Date Formats JS Date Get Methods JS Date Set Methods JS Math JS Random JS Booleans JS Comparisons JS If Else JS Switch JS Loop For JS Loop For In JS Loop For Of JS Loop While JS Break JS Iterables JS Sets JS Maps JS Typeof JS Type Conversion JS Bitwise JS RegExp JS Precedence JS Errors JS Scope JS Hoisting JS Strict Mode JS this Keyword JS Arrow Function JS Classes JS Modules JS JSON JS Debugging JS Style Guide JS Best Practices JS Mistakes JS Performance JS Reserved Words
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