From c6f9c22c5296d8cdb770d67a373e20c4a2766868 Mon Sep 17 00:00:00 2001
From: qq_38870145 <qq_38870145@devide>
Date: Sat, 9 Mar 2024 20:18:00 +0800
Subject: [PATCH] Sat Mar  9 20:18:00 CST 2024 inscode

---
 src/utils/index.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/utils/index.js b/src/utils/index.js
index c6a5131..69196ff 100644
--- a/src/utils/index.js
+++ b/src/utils/index.js
@@ -34,6 +34,25 @@ class ListenDomChange {
         // 之后，可停止观察
         observer.disconnect();
     }
+
+    getPerformance() {
+        // Time to when activation occurred
+        let activationStart =
+            performance.getEntriesByType("navigation")[0].activationStart;
+
+        // Time to first paint
+        let firstPaint = performance.getEntriesByName("first-paint")[0].startTime;
+
+        // Time to first contentful paint
+        let firstContentfulPaint = performance.getEntriesByName(
+            "first-contentful-paint",
+        )[0].startTime;
+
+        console.log("time to first paint: " + (firstPaint - activationStart));
+        console.log(
+            "time to first-contentful-paint: " + (firstContentfulPaint - activationStart),
+        );
+    }
 }
 
 export {
-- 
GitLab