What is modernizr used for?

What is modernizr used for?

Modernizr is a JavaScript library that detects the features available in a user’s browser. This lets web pages avoid unsupported features by informing the user their browser isn’t supported or loading a polyfill.

Do we need modernizr?

Why do I need it? All web developers come up against differences between browsers and devices. Modernizr makes it easy to deliver tiered experiences: make use of the latest and greatest features in browsers which support them, without leaving less fortunate users high and dry.

What features detected by modernizr?

Features detected by Modernizr

Feature CSS Property JavaScript Check
IndexedDB .indexeddb Modernizr.indexeddb
Web Sockets .websockets Modernizr.websockets
Hashchange Event .hashchange Modernizr.hashchange
History Management .historymanagement Modernizr.historymanagement

How does modernizr detect browser?

Modernizr doesn’t detect browsers as such, it detects which feature and capability are present and this is the whole jist of what it’s trying to do. You could try hooking in a simple detection script like this and then using it to make your choice. I’ve included Version Detection as well just in case that’s needed.

What is Modernizr in MVC?

Modernizr is a small, simple and open-source JavaScript library that helps us to take advantage of emerging web technologies; HTML5 and CSS3 maintain the look and feel for older browsers that may not yet support these new technologies.

What is script Modernizr?

Modernizr is a small piece of JavaScript code that automatically detects the availability of next-generation web technologies in your user’s browsers.

Why do we need Polyfills?

A polyfill is a browser fallback, made in JavaScript, that allows functionality you expect to work in modern browsers to work in older browsers, e.g., to support canvas (an HTML5 feature) in older browsers.

What is modernizr in asp net?

Modernizr is an open source JavaScript library that helps to detect features of HTML5 and CSS3 supported. You can download the Modernizr library from http://modernizr.com/.

Are polyfills bad?

At best, polyfills are hard to implement and complicate matters by intertwining browser and application logic. This complexity is costly. At worst, polyfills have caveats and gaps that cause pain for the developer and broken experiences for users.

How does polyfill IO work?

Polyfill.io makes polyfilling support for newer JS features in older browsers super easy. It works via User-Agent sniffing to determine the browser being used, then loads the required polyfills. Explicitly define the features from the ECMAscript spec your code relies on. Add the polyfill.io script tag to your page.