The ES6 compatibility chart shows which features of ES6 are supported in the current browsers. It also links all listed features to their specification guides.
Note
It should be noted that some of the features might not be under compliance with their exact specifications. While working in Chrome, don't forget to enable the Experimental JavaScript flags.
ECMA6 script has the following major goals:
Default exports
Static structure of modules
Support for asynchronous and synchronous loading
Used for dependencies between modules