Update sendToAnalytics() code example

GoogleChrome · Oct 22, 2020 · f461ce0 · f461ce0
1 parent 56c736b
commit f461ce0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -112,7 +112,7 @@ The `sendToAnalytics()` function uses the [`navigator.sendBeacon()`](https://dev
 import {getCLS, getFID, getLCP} from 'web-vitals';
 
 function sendToAnalytics(metric) {
-  const body = JSON.stringify(metric);
+  const body = JSON.stringify({[metric.name]: metric.value});
   // Use `navigator.sendBeacon()` if available, falling back to `fetch()`.
   (navigator.sendBeacon && navigator.sendBeacon('/analytics', body)) ||
       fetch('/analytics', {body, method: 'POST', keepalive: true});