Top "Polyfills" questions

Downloadable code used to add new functionality to browsers.

What is the meaning of polyfills in HTML5?

What is the meaning of polyfills in HTML5? I saw this word in many sites about HTML5, e.g. HTML5…

javascript html fallback polyfills shim
How do I install the babel-polyfill library?

I just started to use Babel to compile my ES6 javascript code into ES5. When I start to use Promises …

javascript node.js babeljs polyfills babel-polyfill
What is the difference between a shim and a polyfill?

Both seem to be used in web development circles, see e.g. HTML5 Cross Browser Polyfills, which says: So here …

terminology naming vocabulary polyfills shim
Getting Error Promise is undefined in IE11

I am converting React code to typescript, target in tsconfig is es5. on running in IE 11 i get an error "…

javascript reactjs typescript ecmascript-5 polyfills
IE11 - does a polyfill / script exist for CSS variables?

I'm developing a webpage in a mixed web browser environment (Chrome/IE11). IE11 doesn't support CSS variables, is there a …

css internet-explorer-11 polyfills
How do I support Internet Explorer in an Angular 8 application?

When I generate a project with Angular CLI (8.0.0), I run ng serve, open the application up in Internet Explorer and …

angular angular-cli polyfills angular8
Why IE 11 display blank page rendering react app

I have an issue with IE 11 and my react app. I use Webpack, babel and polyfill.io cdn and all …

javascript reactjs internet-explorer rendering polyfills
How can I polyfill Promise with webpack?

I'm using webpack to bundle up my JavaScript. I'm depending on modules like popsicle which use any-promise. Here's my code: …

javascript webpack internet-explorer-11 polyfills
Angular4 Application running issues in IE11

I am building a Angular4 project using Angular CLI (1.1.2). It runs perfectly in Chrome (Version 59.0.3071.115) and firefox(54.0.1) but when I …

angular internet-explorer angular-cli compatibility polyfills
Angular2 Final Release - "Error: Angular requires Zone.js prolyfill"

I have upgraded from RC4 to the Final release of Angular2. When I run npm start, the app is stuck …

angular typescript polyfills zonejs