浏览器支持

content_copy# note that the web-animations-js polyfill is only here as an example

# it isn't a strict requirement of Angular anymore (more below)

npm install --save web-animations-js

content_copy/**

* Required to support Web Animations `@angular/platform-browser/animations`.

* Needed for: All but Chrome, Firefox and Opera. http://caniuse.com/#feat=web-animation
**/
import 'web-animations-js';  // Run `npm install --save web-animations-js`.

content_copy<!-- pre-zone polyfills --><script src="node_modules/core-js/client/shim.min.js"></script><script src="node_modules/web-animations-js/web-animations.min.js"></script><script>  /**    * you can configure some zone flags which can disable zone interception for some    * asynchronous activities to improve startup performance - use these options only    * if you know what you are doing as it could result in hard to trace down bugs..   */  // __Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame  // __Zone_disable_on_property = true; // disable patch onProperty such as onclick  // __zone_symbol__BLACK_LISTED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames   /*    * in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js    * with the following flag, it will bypass `zone.js` patch for IE/Edge   */  // __Zone_enable_cross_context_check = true;</script><!-- zone.js required by Angular --><script src="node_modules/zone.js/dist/zone.js"></script> <!-- application polyfills -->