init

xhs-mini-demos/api-case/performance/performance.js

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+let performance;
+
+Page({
+  data: {
+    entriesText: '',
+    entriesByName: '',
+    nameValue: ''
+  },
+
+  onLoad() {
+    performance = xhs.getPerformance();
+    const observer = performance.createObserver((entryList) => {
+      console.log('entryList', entryList.getEntries());
+      this.setData('entriesText', JSON.stringify(entryList.getEntries()));
+      console.log('allentryList', performance.getEntries());
+    });
+    observer.observe({ type: 'paint' });
+    console.log('observer', observer);
+    this.observer = observer;
+  },
+
+  onReady() {
+    console.log('onReady', Date.now());
+  },
+
+  onHide() {
+    this.observer.disconnect();
+  },
+
+  onUnload() {
+    console.log('disconnect');
+    this.observer.disconnect();
+  },
+
+
+  getEntries() {
+    const entries = performance?.getEntries();
+    console.log('entries',  entries);
+    this.setData('entriesText', JSON.stringify(entries));
+  },
+
+  getEntriesByName() {
+    const entries = performance?.getEntriesByName(this.data.nameValue);
+    this.setData('entriesByName', JSON.stringify(entries));
+  },
+
+  onNameInput(e) {
+    this.setData('nameValue', e.detail.value);
+  }
+});