Pretty sure the JS shim is still needed to talk to web apis, even if it might look slightly different (there is a 'use component' now in the JS shim in Mozilla'

Pretty sure the JS shim is still needed to talk to web apis, even if it might look slightly different (there is a 'use component' now in the JS shim in Mozilla's experiment similar to the old 'use asm' for asm.js - at least that's what the post says).