[push-api] Updating references to Promise and JSON.parse (#173)

Fixes #60
You can view, comment on, or merge this pull request online at:

  https://github.com/w3c/push-api/pull/173

-- Commit Summary --

  * Updating references to Promise and JSON.parse, fixes #60

-- File Changes --

    M index.html (4)

-- Patch Links --

https://github.com/w3c/push-api/pull/173.patch
https://github.com/w3c/push-api/pull/173.diff

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Reply to this email directly or view it on GitHub:
https://github.com/w3c/push-api/pull/173