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kypflug/sw-1.js Secret

Created December 15, 2017 01:53
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retrieve-JSON-via-fetch
Raw
sw-1.js
fetch('weather.json')
.then(function(response) {
if (response.headers.get('content-type') == 'application/json') {
return response.json();
} else {
throw new TypeError();
}
})
.then(processJSON);
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